Re: Replace drive in RAID5 without losing redundancy?

2007-03-08 Thread Ralf Müller
Am 07.03.2007 um 16:14 schrieb Bill Davidsen: Neil Brown wrote: On Monday March 5, [EMAIL PROTECTED] wrote: Is it possible to mark a disk as to be replaced by an existing spare, then migrate to the spare disk and kick the old disk _after_ migration has been done? Or not even kick - but

Re: Replace drive in RAID5 without losing redundancy?

2007-03-07 Thread Bill Davidsen
Neil Brown wrote: On Monday March 5, [EMAIL PROTECTED] wrote: Is it possible to mark a disk as to be replaced by an existing spare, then migrate to the spare disk and kick the old disk _after_ migration has been done? Or not even kick - but mark as new spare. No, this is not possible

Re: Replace drive in RAID5 without losing redundancy?

2007-03-06 Thread Ralf Müller
Am 05.03.2007 um 23:29 schrieb Neil Brown: On Monday March 5, [EMAIL PROTECTED] wrote: Is it possible to mark a disk as to be replaced by an existing spare, then migrate to the spare disk and kick the old disk _after_ migration has been done? Or not even kick - but mark as new spare.

Re: Replace drive in RAID5 without losing redundancy?

2007-03-06 Thread Ralf Müller
Am 06.03.2007 um 08:37 schrieb dean gaudet: On Tue, 6 Mar 2007, Neil Brown wrote: On Monday March 5, [EMAIL PROTECTED] wrote: Is it possible to mark a disk as to be replaced by an existing spare, then migrate to the spare disk and kick the old disk _after_ migration has been done? Or

Replace drive in RAID5 without losing redundancy?

2007-03-05 Thread Ralf Müller
Hi The day before I grew a 4 times 300GB disk RAID5. I replaced the 300GB drives by 750GB ones. As far as I can see the proposed way to do that is to kick a drive from RAID and let a spare drive take over - for sensible data this is scary - at least for me, because I lose redundancy for the

Re: Replace drive in RAID5 without losing redundancy?

2007-03-05 Thread Neil Brown
On Monday March 5, [EMAIL PROTECTED] wrote: Is it possible to mark a disk as to be replaced by an existing spare, then migrate to the spare disk and kick the old disk _after_ migration has been done? Or not even kick - but mark as new spare. No, this is not possible yet. You can get nearly

Re: Replace drive in RAID5 without losing redundancy?

2007-03-05 Thread dean gaudet
On Tue, 6 Mar 2007, Neil Brown wrote: On Monday March 5, [EMAIL PROTECTED] wrote: Is it possible to mark a disk as to be replaced by an existing spare, then migrate to the spare disk and kick the old disk _after_ migration has been done? Or not even kick - but mark as new spare.