Re: quick Q re raid reconstruction

2005-12-01 Thread Eyal Lebedinsky
Neil Brown wrote: > On Friday December 2, [EMAIL PROTECTED] wrote: > >>Neil Brown wrote: >> Q1) What is the correct command to bring these three up as degraded? >>> >>> >>> mdadm --assemble --force /dev/mdX /dev/sd[abc]1 >>> >>>However this won't work with the superblocks you have. So

Re: quick Q re raid reconstruction

2005-12-01 Thread Neil Brown
On Friday December 2, [EMAIL PROTECTED] wrote: > Neil Brown wrote: > >>Q1) What is the correct command to bring these three up as > >>degraded? > > > > > > mdadm --assemble --force /dev/mdX /dev/sd[abc]1 > > > > However this won't work with the superblocks you have. So > > > > mdadm --c

Re: quick Q re raid reconstruction

2005-12-01 Thread Eyal Lebedinsky
Neil Brown wrote: >>Q1) What is the correct command to bring these three up as >>degraded? > > > mdadm --assemble --force /dev/mdX /dev/sd[abc]1 > > However this won't work with the superblocks you have. So > > mdadm --create /dev/mdX -l5 -c256 -n4 missing /dev/sda /dev/sdb /dev/sdc I

Re: quick Q re raid reconstruction

2005-12-01 Thread Neil Brown
On Thursday December 1, [EMAIL PROTECTED] wrote: > I have (had) a 4 disk RAID5 /dev/sd[abcd]1. > > sda went bad (really, bad sectors) and is being replaced, hope > to get a replacement tomorrow. > > While the array was degraded (but running) sdd failed (controller > trouble) and was marked as fai

Re: quick Q re raid reconstruction

2005-12-01 Thread Eyal Lebedinsky
Eyal Lebedinsky wrote: > I have (had) a 4 disk RAID5 /dev/sd[abcd]1. [trim] By this evening this will become urgent, so if anyone can reply then please do. To bring it up in degraded mode, can I do a --create and tell it to use sd[abc] and mark sdd as failed? I can then force --run. An --assemble

quick Q re raid reconstruction

2005-12-01 Thread Eyal Lebedinsky
I have (had) a 4 disk RAID5 /dev/sd[abcd]1. sda went bad (really, bad sectors) and is being replaced, hope to get a replacement tomorrow. While the array was degraded (but running) sdd failed (controller trouble) and was marked as failed. The array went down (naturally). I am rather sure that sdd