Re: Mdadm won't rebuild a RAID5

2007-08-20 Thread martin f krafft
also sprach Hal Vaughan <[EMAIL PROTECTED]> [2007.08.21.0003 +0200]: >Any suggestions or warnings from others so I can make sure this doens't >happen again are appreciated. Remember, the two drives I've already >removed that mdadm had said were bad have tested out as fine. I suspect >

Re: Mdadm won't rebuild a RAID5

2007-08-20 Thread Hal Vaughan
On Monday 20 August 2007, martin f krafft wrote: > also sprach Hal Vaughan <[EMAIL PROTECTED]> [2007.08.20.2114 +0200]: > > It did on the first failure. Then another failed and I turned the > > machine off. When I got 2 more drives, I put them in and it > > rebuilt the array using 3 of the drives

Re: Mdadm won't rebuild a RAID5

2007-08-20 Thread martin f krafft
also sprach Hal Vaughan <[EMAIL PROTECTED]> [2007.08.20.2114 +0200]: > It did on the first failure. Then another failed and I turned the > machine off. When I got 2 more drives, I put them in and it rebuilt > the array using 3 of the drives with one as a spare. Then when it > failed this time

Re: Mdadm won't rebuild a RAID5

2007-08-20 Thread Hal Vaughan
On Monday 20 August 2007, martin f krafft wrote: > also sprach Hal Vaughan <[EMAIL PROTECTED]> [2007.08.20.2022 +0200]: > > In this case, I had 4 drives, so if one failed, then the spare > > should have been added but that hadn't happened. > > I thought your original email said it did resync the s

Re: Mdadm won't rebuild a RAID5

2007-08-20 Thread martin f krafft
also sprach Hal Vaughan <[EMAIL PROTECTED]> [2007.08.20.2022 +0200]: > In this case, I had 4 drives, so if one failed, then the spare should > have been added but that hadn't happened. I thought your original email said it did resync the spare? > I've also tested the two "failed" drives and they

Re: Mdadm won't rebuild a RAID5

2007-08-20 Thread Hal Vaughan
On Monday 20 August 2007, martin f krafft wrote: > also sprach Mike Bird <[EMAIL PROTECTED]> [2007.08.20.1627 +0200]: > > > 3) RAID 5 is not resilient against multiple failures.  We now use > > > RAID 1. RAID 1 is also faster, although it sometimes requires > > > more drives. In extreme cases we u

Re: Mdadm won't rebuild a RAID5

2007-08-20 Thread martin f krafft
also sprach Mike Bird <[EMAIL PROTECTED]> [2007.08.20.1627 +0200]: > > 3) RAID 5 is not resilient against multiple failures.  We now use RAID 1. > >    RAID 1 is also faster, although it sometimes requires more drives. > >    In extreme cases we use RAID 1 with three or more drives. > > On Monday

Re: Mdadm won't rebuild a RAID5

2007-08-20 Thread Mike Bird
Also sprach Mike Bird <[EMAIL PROTECTED]> [2007.08.18.1537 +0200]: > 3) RAID 5 is not resilient against multiple failures.  We now use RAID 1. >    RAID 1 is also faster, although it sometimes requires more drives. >    In extreme cases we use RAID 1 with three or more drives. On Monday 20 August

Re: Mdadm won't rebuild a RAID5

2007-08-20 Thread martin f krafft
also sprach Hal Vaughan <[EMAIL PROTECTED]> [2007.08.18.1051 +0200]: > a 2nd drive failed. I shut it down, got some new drives (bigger to be > sure they weren't too small, allowing for differences in drive sizes > reported by drive makers), replaced the bad drives, and rebuilt the > spare with

Re: Mdadm won't rebuild a RAID5

2007-08-18 Thread Mike Bird
On Saturday 18 August 2007 01:51, Hal Vaughan wrote: > I have a RAID5 on 3 drives with a spare. One drive failed and it > rebuilt itself using the spare, then, before I could replace the spare, > a 2nd drive failed. I shut it down, got some new drives (bigger to be > sure they weren't too small,

Mdadm won't rebuild a RAID5

2007-08-18 Thread Hal Vaughan
I have a RAID5 on 3 drives with a spare. One drive failed and it rebuilt itself using the spare, then, before I could replace the spare, a 2nd drive failed. I shut it down, got some new drives (bigger to be sure they weren't too small, allowing for differences in drive sizes reported by drive