Questions tagged [diskmanagement]

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17 votes
4 answers
40k views

How to resize RAID1 array with mdadm?

I've running Ubuntu 11.04 (kernel 2.6.38-11). I replaced 2x160GB with 2x500GB drives. They are configured as RAID1. The partition tables show the right sizes. Here's sfdisk: # sfdisk -d /dev/sdb # ...
Paul Schreiber's user avatar
5 votes
1 answer
4k views

Mounting a disk from SAN (RHEL 5.9)

Storage admin told me he put a 3TB drive on my server from the SAN and I was asked to mount it. The only information I know is that it's on LUN 1 and that the disk is 3TB. Multipath is setup and I ...
에이바's user avatar
  • 662
0 votes
1 answer
968 views

extend size of partition

I am asking for help on how to properly extend the size of partition Here is my situation. Running fdisk -l, give this result root@ ~]# fdisk -l Disk /dev/sda: 2000.3 GB, 2000398934016 bytes 255 ...
Jan Mark's user avatar
8 votes
3 answers
2k views

Is disk serial readable from supermicro chassis?

We are working with a hosting company for managing our dedicated servers. We asked for a replacement disk on one of the servers by providing the serial number. They took out 2 other disks instead and ...
refik's user avatar
  • 193
8 votes
7 answers
8k views

How do you limit the use of network storage in your company?

I think this is one area that is a pain for every sysadmin. Users don't really know how much storage space they are using, and don't take the time to manage what is stored there, or how long it stays ...
4 votes
2 answers
5k views

Changing XEN VM configuration

What is the correct way to update a XEN VM configuration? In this case I want a specific domain to stop using /dev/emcpowerg and use /dev/emcpowerh in stead. I have ensured that the two devices have ...
Johan's user avatar
  • 447
3 votes
2 answers
23k views

LVM: Duplicate VG name VolGroup00

I'm on a server that shows a duplicate VG name. How can I rename one of these VolGroups to get rid of this conflict? [root@dev-server dev]# lvs WARNING: Duplicate VG name VolGroup00: zOuHvA-QTBR-...
에이바's user avatar
  • 662
1 vote
2 answers
12k views

Ubuntu - unable to extend partition with growpart - partition 1 could only be grown by 2046

I want to extend /dev/sdb1 partition I extended disk for 2 GB in Hypervisor and new disk size is shown for /dev/sdb disk (from 20 to 22 GB) Device Boot Start End Sectors Size Id Type /...
overflowed's user avatar
0 votes
0 answers
212 views

How can I reduce the size of / and increase /boot (CentOS7)

The /boot partition keeps getting filled up during updates how am I able to reduce the size of / and then increase /boot by 5GB? df -h Filesystem Size Used Avail Use% Mounted on devtmpfs ...
Harmonytalk's user avatar