I'm currently studying about LVM because of the snapshot features. I notice that most tutorials that I have read involves a spare hard drive or unused partition. I don't have a spare hard drive or unused partition on my server but I still have disk space if ever it was possible to do the snapshot on the same LVM partition.
is it possible to do snapshot on the same LVM partition?
I have a little nice Ubuntu server with 6x 1TB drives assebmbled into a RAID5 array. Recently SATA cable of one of the drives failed. So I ordered a new cable and ran the server in degraded mode for a few days. Like this:
Code:
/dev/md0:
Version : 00.90
Creation Time : Sat Sep 19 10:39:11 2009
Raid Level : raid5
Array Size : 4883812480 (4657.57 GiB 5001.02 GB)
code....
I'd like the 6th drive to be active, not spare, like before. Should I just wait for rebuild to be finished (it can easily take over 1 day)? Or should I add it somehow differently to be active immediately?
I'm not sure, but I think as I simulated failures unplugging one of the disk, after plugging it in again, the "failed" drive was active again and rebuilding was started as well of course. But it was 2 years ago, so...
The array works just fine for now - I can access files, etc. But I suspect, that in this state if another cable or drive fails, it won't survive anymore. Even after rebuilding is finished, but the 6th drive stays is still marked as "spare". Right?
I got a dell inspiron 1501 laptop with a 80Gb sata drive what is the best solution to add data storage space for someone that love to have multiples operating systems at hand Note: I use mostly linux so I won't need to change my laptop for many years maybe ...
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When I startup without my ext drive =>GRUB error 21.
And when I plug it in I can choose: the standard ubuntu kernel is the one on my external, and the original one is listed under other...
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I recently bought 320 GB Trancend external hard disk and working fine days back.Earlier i could copy from and to the hard disk with out any issue. I dont know what happened after that now i am not able to write any files in to the external hard disk. This is not NTFS formatted device. here is some of the out put from terminal.
Code:
sundar@sundar-sundar:~$ fdisk -l
Disk /dev/sda: 120.0 GB, 120034123776 bytes
[code]...
I have been trying to install centos on my hp servers and when i get to partitions my hard drives the OS does not detect any harddrives. I have 4 scsi drives and i believe a intergrated smart array controller.
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as installed, my drives look like this:
When I add the extra hard drive, it looks like this:
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Code:
ls -l /vol/USBDISKB
OK - shows me the directory and files.
Code:
#!/bin/bash
if [ -d /vol/USBDISKB ]; then
echo "Found USB drive"
else
[code].....
Want to install ubuntu on existing Homebrew win7 box that has a spare unused hdd, and am a bit lost as to where to start.
Asus p5qpl-am micro
4 gigs a data gaming ram-ddr2-6400 pink
antec 430 earthwatts
on board intel x4500 dsub only
intel e6300 2.8 oc at 3.4
antec 300 case
windows 7x64 on wd 500 aaks drive
spare seagate 750 hdd for ubuntu
gig enet
DVD-Rom Drive: TSSTcorp CDDVDW TS-H663B ATA Device sata
wireless b/g/n Zonenet usb Network Card :
Do not have to dual boot, although it would be nice...can go to bios to select boot drive
AR8121/AR8113/AR8114 PCIe Ethernet Controller