General :: Increasing Capacity To File Server Through Storage Manager
May 10, 2011
My requirement. We have a linux File server which was connected to SAN (IBM DS4700)now I need to increase my capacity by 50GB I've added the 50GB through the IBM storage manager to the File server, but it doesn't showing on my linux file server
bellow the detail of my drives
/dev/mapper/mpath0p6 1.6G 287M 1.2G 20% /
/dev/mapper/mpath0p7 837M 240M 554M 31% /var
/dev/mapper/mpath0p3 4.1G 2.5G 1.4G 65% /usr
/dev/mapper/mpath0p2 5.1G 1.7G 3.2G 36% /home
/dev/mapper/mpath0p1 200M 24M 166M 13% /boot
tmpfs 2.1G 0 2.1G 0% /dev/shm
/dev/mapper/mpath0p8 356G 303G 36G 90% /filesrv
I need to add the 50GB on to the "mpath0p8".
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Jun 6, 2011
When I try to install anything recently, I was getting errors about "No Space". I noticed that the root drive (/dev/sda1) has 100% usage which I'm not sure how that suddenly happened.
Code:
tom@HouseMedia:/$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 9.0G 9.0G 0 100% /
none 1.5G 552K 1.5G 1% /dev
none 1.5G 0 1.5G 0% /dev/shm
none 1.5G 300K 1.5G 1% /var/run
none 1.5G 0 1.5G 0% /var/lock
none 1.5G 0 1.5G 0% /lib/init/rw
/dev/sdb1 294G 182G 97G 66% /mediastorage
There was a powerloss recently and I wondered if some serious corruption had occurred. Since I'm checking the root drive, I had fsck run after a restart:
Code:
sudo shutdown -F -r now
FSCK went to work, briefly, and the logs (/var/logs/checkfs and /var/logs/checkroot) remain empty. Speaking of log files, I had a look at all of them and they take up a mere 32MB, so that's not the issue...
Code:
tom@HouseMedia:/var/log$ ls -h -l
total 32M
drwxr-x--- 2 root adm 4.0K 2011-06-05 06:39 apache2
drwxr-xr-x 2 root root 4.0K 2011-01-20 10:43 apparmor
drwxr-xr-x 2 root root 4.0K 2011-06-01 06:37 apt
-rw-r--r-- 1 root root 0 2011-03-01 06:43 aptitude
-rw-r--r-- 1 root root 851 2011-02-08 10:08 aptitude.1.gz
-rw-r----- 1 syslog adm................
Using Code:
du -h
I know that:
/var uses 1.2 GB
/root uses 100 K
/usr uses 1.4 GB
/tmp is empty
/home has 35 MB
Have already ran apt-get clean. How can I figure out what is taking up so much room? How can I go about figuring out what is huge and is safe to remove?
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Aug 2, 2010
I have a file in the form below, and wish to replace each start line with an increasing number. So instead of:
Code:
start
content content
start
content content
start
[Code]....
After several searches and a bit of messing around, it's clear I'm missing something, so was wondering if anyone could offer any insight?
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Mar 2, 2011
I have set up my Ubuntu virtual machine and am trying to adjust the screen resolution because it's stuck at 800x600 presently and there are no higher resolution options. I've looked at numerous similar forms and tutorials online and they all seem to involve editing /etc/X11/xorg.conf. However, for whatever reason, this file seems not to exist on my machine. I found another tutorial on how to add a screen resolution using xrandr --addmode which added the resolution I want to the list that appears when I type the command xrandr, but when I try to apply it I get an error about CRTC 262 failing.
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Oct 6, 2009
is there a way to set-up a file system, where you have multiple nodes (PC's) linked to one storage pool? ZFS seems to support this idea with multiple disks on one node, but could you connect multiple nodes in this manner?
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Apr 7, 2011
I have a 500GB external drive I want to use on a couple of Linux systems, and looking for a filesystem for it. External drives are frequently formatted in FAT32, but I don't need to interoperate with Windows and would rather avoid the ugly limited kludge that is FAT.
Since I only need to use it on Linux, I would use ext4 or XFS, but they store ownership information. Ideally, I'd use a proper Unix file system that doesn't track ownership (files are owned by whoever mounts the device, like they are when mounting a FAT32 partition), but I do not know of any file system that does that.What would be a good file system for this disk?
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Jul 18, 2011
bash-3.00$ df -h Filesystem size used avail capacity Mounted on /dev/md/dsk/d5 44G 40G 3.1G 93% /u01 but bash-3.00$ du -sh /u01 9.7G /u01 My question is: Why the fist command tell me 40G used but the second command tell me different result? My system info: SunOS INSP-DB1 5.10 Generic_142909-17 sun4u sparc SUNW,SPARC-Enterprise
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Jun 2, 2010
i have a spare computer and 4 hds and was planning to make this computer a storage server with a media place aswell... i do have some linux knowledge but never used it for this and am not sure how good it will be initially the media files are in an HD with ntfs format which i want to keep as is... but i was wondering what options i had to make a media folder over network where i could browse and watch from any computer in my network ? is it samba my only options or is there a more media like solution for this ? There will aswell other features i was planning to use on it which made me think of linux, for example, svn server, websever with mysql to testing my applications, connection manager, all these i am sure on how to make and setup... but i am not very familiar with samba hence i am not sure if it is the best options for file sharing aswell as media sharing and/or my only option.i also heard that ntfs might be trouble some for linux in some cases
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Feb 4, 2010
The /var directory is 97% full on my dedicated server:
I would like to know if it is safe to clear it and how to clear it (assuming it will not disrupt/kill server services to do so).
I have Matrix control panel so i can view the storage etc but it does not have an way of clearing the /Var directory.
I have Putty Access to root but do not know which command to use.
I found a few threads but the information is not clear to me as there seems to be an assumption of basic knowledge I don't yet have.
My linux/ubuntu support that usually does this kind of thing for me is away and not contactable and my server is grinding to a halt and unable to store/send email.
I have only a very basic understanding of command line but really need to get this sorted ASAP.
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Apr 10, 2011
We have near about 90 RHEL servers. I want to find out which servers are connected to SAN [HP-SAN] storage???? Because many of them are having local hard disks.
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Apr 25, 2010
Ubuntu 2.6.31 - 14 generic
Problem began with RAID0 failure using 2 WD FALS1001 HDDs. I was unable to boot so I replaced the drives with 2 new FALS1001. Installed Win7 64 Ult, installed/updated all drivers/OS and had the same problem with one of the RAID drives again. Usually blue screens with Kernel_stack_inpage_error. I have Intel Matrix Storage version 8.5.0.1030 and can usually boot back into windows even when one disk out of the array shows unknown error (0) and reset the disk to normal. Now it seems to be progressing worse and hit or miss, I can get Windows to load 1 time out of 20 posts.
Sometimes the array shows normal, sometimes failed, sometimes unknown error (0) and other times, everything shows normal and healthy and attempts to boot windows but has read errors or unable to find OS errors. I simply want to access my data via Ubuntu so I can back it up and wipe the drives for re-installation. I see that Intel shows support for Linux but I'm lost as to what I need to do next. Intel link: [URL]. I currently see one of my drives listed in Ubuntu as a RAID component and the other is listed as a hard drive with unknown information. I have loaded mdadm but I'm unfamiliar with how to use it.
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Jun 8, 2010
I am trying to do the cluster storage with the Rock Cluster storage operating system . I have install the rock cluster on the main server . and I want to connect the client with the PXE boot . when I starting the client then it boot from the PXE boot into the mode of compute node. but it ask the where is to be stored the I have give the path..then server says that not able to find the directory path.
Steps:-
1) insert-ethers
2) client is started with the PXE boot.
3) it detects the dhcp .
4) At last it demand where is to be started by cd-rom, harddisk ,nfs etc.
then I started with the nfs and I have given the lanIp of server.and server is detecting the client but client is not finding the filesystem directory. into export partition directory but it is not taking path.
PATH:-
/export/rock/install it is not finding this path then it is not able to start the o/s from PXE boot..Is there any solution and manual of rock or anyother solution then u can reply to me...
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Feb 16, 2010
Using a shell script....In a particular directory if we are adding one or more files i should get a mail to my mail id , every time when the new file is added i should get the mail.Using crontab so that it will execute automatically wen any new files are added.
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Jul 20, 2010
My Goal: I'm migrating data from the OpenSUSE server to the 2008 Storage Server. The idea is that all the data will reside on the 2008 Storage Server in an NFS share which will be mounted to the OpenSUSE server in the same location in which the data sat in initially.
I'd like this to be completely transparent to everyday use -- all programs designed to interact from a few other servers / computers will still work without modification, and, more importantly, all file permissions can remain the same. As far as I've seen the SMB mounting doesn't full preserve the *nix file permissions. I'm hoping the NFS mount will, but please tell me if I'm wrong. SMB is so much more straight-forward and already working. I should also note speed is a giant plus for NFS.
The Players:
Windows Server 2003 - The Active Directory server
Windows Storage Server 2008 - The new file server
OpenSUSE 10.3 - The workhorse server
I have no control over the operating system choice. I have no control over the AD server. I have limited, intermittent access to the person who does have full control of the AD server. I have full control over the file server and the workhorse server.
What I've done: The Storage Server is running Services for Network File System (NFS). It has a 6.5ish TB RAID partition configured for NFS and Samba/CIFS sharing which is used for the data storage. The Samba/CIFS share is mountable and accessible, but I haven't found a way to maintain proper user permissions on the files. When I connect the owner and group for every file is root:root, which led me to NFS in hopes this would fix the problem.
The AD server admin has installed Services for Unix, and we imported the OpenSUSE passwd and group file. Either this didn't work, or it take a bit more configuration. Tomorrow morning we're going to take a deeper look into the SFU configuration with the AD.
Right now I can mount the NFS share on the OpenSUSE under the root account:
Command results truncated to what I think is relevant info. Ask if you need more.
Code:
My Problems:
I'm hoping the "Permission denied" error is solely because the UID and GID mappings are incorrect. I have, however, tried to create an NFS share with full permissions to "Everyone" and anonymous access, and I get the same results.
Also I've run into another roadblock. Why do non-root accounts fail to execute the mount /mnt/datadir command?
Code:
AFAIK 1048 is not a restricted port, so regular users should have access to bind to the port. I also have a Gentoo machine where regular users are allowed to execute the command. The 'mount' command shows that the NFS share was mounted with the username executing the command too.
Server NFS Config:
Code:
The following are the settings on localhost
The above was written yesterday and not posted in hopes I could solve the problem this morning. I failed.
Update: The domain admin installed an NIS server on the AD server. I installed an NIS server on a Gentoo Linux box. They weren't able to communicate. The Linux box thought the Windows NIS service wasn't running and Windows couldn't find the Linux machine. NIS led to a dead-end right about there. I also tried to manually link the user accounts to UNIX UIDs via the AD user properties window to no avail.
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Apr 15, 2011
I would like to increase my "/" filesystem, as you can see, it has 81% occupied, and i would like to decrease the capacity of "/home" and pass it to the /Is this possible?
MY-SERVER:#df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda2 3.8G 2.9G 707M 81% /
[code]...
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May 14, 2010
I've been using Slackware 13.0 32-bit because of a problem supporting RAID 0 metadata for Intel Matrix Storage Manager. I would like to move to 64-bit with Slackware 13.1 but I can't see any way to use a 64-bit kernel with my RAID setup. Because the "mdadm" in Slackware does not support the "-e imsm" option to read Intel Matrix Storage Manager Metadata I have been using "dmraid". Unfortunately I'm having trouble finding a way to make "dmraid" (a 32-bit application) work on 64-bit Linux. It appears that "dmraid" may be unsupported now, and I can't find a good place to get current source to compile on a 64-bit system. Essentially "dmraid" is only a program to interpret metadata and then configure the standard Linux device mapper to set up the required mirror or stripe mapping. So, it actually does not have to interact directly with the kernel.
I believe it only issues I/O requests to read disks and configure "dm" devices. So far I have not had to rebuild "dmriad" since Slackware 10. I don't know if 32-bit libraries are an option, or if those can be added to an initrd image (required to use dmraid before booting). People claim that "mdadm" will work with Intel Matrix Storage RAID 0 but I have never found any detailed information about how to do that. When I've tried the few examples I've run across on Slackware I just get an error that the "imsm" metadata format is not supported. I have not been able to locate a site to browse Slackware packages. I was hoping to find "dmraid" in the 64-bit packages. I think "dmraid" was at one time in Slackware but perhaps not any longer.
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Nov 4, 2010
Deleted. I tried to delete the entire posting, but could only edit.
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Mar 28, 2010
I recently bought a new system that has an Intel Matrix Storage Manager "RAID controller" (ICH10R/DO) on it. I'm a bit baffled over what this really is. I see at [URL] that this controller is supported by the Linux dmraid and mdadm commands and supported in the 2.6 kernel version for quite a while. This looks as though it is some sort of convergence of a brain-dead hardware chipset that requires software installed in the OS to manage it. Kind of reminds me of the wimpy Windows modems of the past. How I deployed. I set up two Seagate ST31500541AS disks as a mirrored pair in the hardware controller interface (CTL-I setup after POST).
I installed Fedora 12 in the usual fashion, though was confusing considering I expected a single "RAID device" to be seen by Anaconda. I went ahead and set up the two native /dev/sda and /dev/sdb as a mirrored RAID device on installation (mdadm under the cover). Recently, Palimpsest is insisting that I have a disk problem with "Disk has many bad sectors" error on /dev/sdb. When I run "dmraid -s" it tells me that the meta device is OK and I see no hardware errors in the messages log. I'm not having kernel panics as others seem to have had on RHEL 5.x.
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Dec 31, 2009
I am writing some server programs. I notice that I can only connect to the server with a total of 28232 connections (clients) before I get the errno [99] "Cannot assign requested address" from the client program. I am using the same machine to do both operations. It seems like I am reaching some networking limitation outside of both programs.The server process has a maximum of 6 theads running(well below the thead limit). The client has two threads. When I add another client machine to the testing I can surpass 28232 connections). What limitation am I reaching on the server machine and how can I overcome this limitation. Again when I add a client machine to the testing, I can achieve more than 28232.
System Setup:
SUSE 11.1 64 bits
ulimit nofile=150000
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Aug 23, 2010
I got a legacy server, and through munin I notice that periodically commited memory keep on increasing. The chart looks like a spiky sine graph, but every cycle it increase both max and minimum. After few days it will go over my physical memory it will keep on growing until the machine crash... Usually I reset the memory by rebooting the machine which is not a solution at all. Is there any way to know what process(es) that took the committed memory? Is there any way to release the committed memory without rebooting the machine? Is there any way to cure my machine from this disease? as an information, I'm using CENTOS 5.5 i686, AMD Athlon(tm) 64 X2 Dual Core Processor 3800+ this is what I get from /proc/meminfo
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CommitLimit: 10023760 kB
currently
Committed_AS: 3972804 kB
which is bigger than my MemTotal
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Mar 12, 2010
I have a total of 4 hdd's, 500gb 7.2rpm that I would like mirrored using raid 10. As you can see from the image, ubuntu 9.10 server isn't recognizing the full 2tb's. In fact, I'm not even sure about the configuration as I was thinking the HDD's would come up as four 500gb hdds. Instead I have the configuration above set and ready for Ubuntu to be installed on.
1. Is this typical of a server pre-configured from Dell(perc6 raid controller.
2.Why is ubuntu not recognizing the full capacity of the drives especially when it's a server install?
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Sep 10, 2010
I am configuring my Apache Server to enable checking CA Revocation List, and my Configuration lists as following :
Code:
SSLCARevocationFile /etc/httpd/confi.d/ssl.crt/CRL1.crl
But the server can not start, and the log says:
Code:
Unable to configure X.509 Storage for certificate
If I try this command to view content of my CRL file :
Code:
openssl crl -text -in CRL1.crl -noout
the console shows :
Code:
error:0906D06C:PEM routines:PEM_read_bio:no start line:pem_lib:647:Expecting: X509 CRL
I think there is something wrong with my CRL file, such as the file format.Is there any requirement to the CRL file? What can I do to enable this CRL file checking?
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I'm running a recursive DNS server on Ubuntu Server 10.04 64bits and Bind 9.7.0-p1 and having issues with memory usage. The named process memory usage keeps increasing from about 500Mb to 4Gig inside of a couple of weeks. If I don't restart Bind in the mean time the swap fills and performance gets very bad.
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Jun 15, 2010
I'm currently setting up a server with 2x 1TB disks in raid1. (Centos 5.5)In the future, if the storage is insufficient and I decide to upgrade the disks to 2x 2TB, could I just:
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- replace hdd's and build new array
- ghost array with image created previously
Would the above work, will the new partition automatically resize to 2TB or do I need to partition right now with LVM? would it work with LVM?
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Aug 3, 2010
What is the maximum amount of ddr that can be installed in a 64 bit ubuntu linux system computer?
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Nov 9, 2010
My specs: Debian Lenny i686, 7gb ram, 1tb hdd, Pentium 4 2.2 the rest not important.
Now, i did clean install of Debian on to my 1tb hdd as such:
- 14 gb swap (as far as I understood it has to be twice as ram)
- / root 25 gb
- /home the rest
I don`t know if it`s important, but I am under Gnome+Compiz+Emerald.
So the first question is: There is a program in: Applications/SystemTools/Disk Usage Analyzer It tells me thisScreenshot-Disk Usage Analyzer.png
Correct me if I am not right, but i am running out of disk space on /home?
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Jun 24, 2010
Squid servers cache size ondisk automatically increasing and decreasing,how I would resolve this issue
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Dec 23, 2010
I wonder if this is possible to extend or regrow the Linux hard disk partition from 8 GB to 20 GB without losing the existing data on the partition ?at the moment this Ubuntu Linux is deployed on top of VMware and I've just regrow the hard drive from 8 GB into 20 GB but can't see the effect immediately.can anyone suggest how to do this without losing the data ?
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Jan 15, 2011
I have 2 servers each one with a RAID and I want them mirror they data so if one of them goes down the other one take the job with out disruption. I've heard of multipath by I want to know it in detail or learn of more options.
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Feb 14, 2010
What is the current state of NFS failover (i.e. setting up two server with shared storage, with automatic failover if one fails?) I've seen a cookbook, but no details that would let me assess how well it works. There are lots of complex issues with data consistency, but the detailed information on that is years old. Our needs are fairly simple: 2 servers, a shared array, and I'm reasonably sure that we don't use locking. However we'd like failover to work reliably without loss of data.
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