Tag Archives: RAID

Use of Backup in Anger!

I lost my entire RAID10 array yesterday. In a fit of “too much noise in office” I removed the hot swap SCSI array box from my workstation box, attached it to a wooden platform, and suspended it in a large … Continue reading

Posted in Computergeekery | Tagged , , , | Comments Off on Use of Backup in Anger!

Linux RAID Wiki

A lot of people keep coming back to a post from 2006 I wrote about expanding a raid5 array. Although that post is still very much relevant 2 years is a looong time in the Linux kernel world, and things … Continue reading

Posted in trivial shennanigans | Tagged | Comments Off on Linux RAID Wiki

Linux Raid Wiki

There’s a lot of outdated stuff concerning Linux software raid out there. Over the last 6 months there’s been a concerted effort by people on the Linux Raid mailing list to improve this situation. The continuing results can be seen … Continue reading

Tagged , | Comments Off on Linux Raid Wiki

Sun CEO Says ZFS Will Be ‘the File System’ for OSX

Slashdot | Sun CEO Says ZFS Will Be ‘the File System’ for OSX Being pretty interested in RAID and Macs, I find this very interesting. ZFS sounds like a pretty neat piece of work. Being able to transparently add dives … Continue reading

Posted in Tips, trivial shennanigans | Tagged | Comments Off on Sun CEO Says ZFS Will Be ‘the File System’ for OSX

RAID10 over 6 devices

I’ve been struggling to find the best layout for my 6 drive RAID10 device: I settled for near with 2 copies, and a 1M chunksize. As far as I understand this I get the r/w speed equivalent to RAID0 with … Continue reading

Tagged , | Comments Off on RAID10 over 6 devices

Scythe Kama Bay Black

Ok, so to solve the cooling problems, I’ve ordered 3 of these. I have 9*5.25 drive bays in the array box. So these should fit. They better be silent though….! It also begrudges me to order from a company who’d … Continue reading

Posted in Computergeekery, trivial shennanigans | Tagged | 2 Comments

Linux-raid Wiki

Main Page – Linux-raid For all you RAIDHeads out there, here’s the RAID Wiki. The old LDP RAID howto was getting a bit long in the tooth, and needed a lot of refreshing to reflect the increased use of the … Continue reading

Tagged , | 1 Comment

Raid 5 to 6 conversion possible?

A recent post on Raj’s blog made me think about giving RAID6 a play. This then makes me wonder whether a RAID 5 to 6 conversion is possible? I guess this is completely impossible without a complete reformatting. But there … Continue reading

Posted in Computergeekery, trivial shennanigans | Tagged , | 2 Comments

Growing a RAID5 array – MDADM

With the release of kernel 2.6.17, there’s new functionality to add a device (partition) to a RAID 5 array and make this new device part of the actual array rather than a spare. I cam across this post a while … Continue reading

Posted in Computergeekery | Tagged , | 127 Comments

mdadm: what a cool utility.

mdadm is really a cool utility. I decided to move my 6 drive RAID 5 array from my normal workstation to a fileserver stuck somewhere in the attic. prompted in no small part by excess heat and noise in my … Continue reading

Posted in Computergeekery | Tagged , | Comments Off on mdadm: what a cool utility.