Re: RAID5/10 chunk size and ext2/3 stride parameter

2006-11-04 Thread martin f krafft
also sprach dean gaudet [EMAIL PROTECTED] [2006.11.03.2019 +0100]: I cannot find authoritative information about the relation between the RAID chunk size and the correct stride parameter to use when creating an ext2/3 filesystem. you know, it's interesting -- mkfs.xfs somehow gets the

Re: accessing windows raid with mdadm?

2006-11-04 Thread Paul Clements
Shaya Potter wrote: [please cc: me on responses] if one read Documentation/fs/ntfs.txt in the linux kernel, it talks about accessing windows raid volumes in Linux If one is using non raid-5, one can use the device mapper, but if one is using raid-5, one has to use the md driver. However, it

raid5 reshape bug with XFS

2006-11-04 Thread Bill Cizek
Hi, I'm setting up a raid 5 system and I ran across a bug when reshaping an array with a mounted XFS filesystem on it. This is under linux 2.6.18.2 and mdadm 2.5.5 I have a test array with 3 10 GB disks and a fourth 10 GB spare disk, and a mounted xfs filesystem on it: [EMAIL PROTECTED]

mdadm 2.5.5 external bitmap assemble problem

2006-11-04 Thread dean gaudet
i think i've got my mdadm.conf set properly for an external bitmap -- but it doesn't seem to work. i can assemble from the command-line fine though: # grep md4 /etc/mdadm/mdadm.conf ARRAY /dev/md4 bitmap=/bitmap.md4 UUID=dbc3be0b:b5853930:a02e038c:13ba8cdc # mdadm -A /dev/md4 mdadm: Could not

Re: RAID5/10 chunk size and ext2/3 stride parameter

2006-11-04 Thread dean gaudet
On Sat, 4 Nov 2006, martin f krafft wrote: also sprach dean gaudet [EMAIL PROTECTED] [2006.11.03.2019 +0100]: I cannot find authoritative information about the relation between the RAID chunk size and the correct stride parameter to use when creating an ext2/3 filesystem. you know,

Is my RAID broken?

2006-11-04 Thread Robert Hulme
Hi everyone, I recently got an email warning from Zabbix about my raid array, so I went to have a look at it: -- Personalities : [linear] [raid0] [raid1] [raid10] [raid5] [raid4] md2 : active raid5 hdk1[3] hdi1[2] hdg1[1] hde1[0] 1172126208 blocks level 5, 32k chunk, algorithm 2