mdadm break / restore soft mirror

2007-12-12 Thread Brett Maton
Hi, Question for you guys. A brief history: RHEL 4 AS I have a partition with way to many small files on (Usually around a couple of million) that needs to be backed up, standard methods mean that a restore is impossibly slow due to the sheer volume of files.

Re: mdadm break / restore soft mirror

2007-12-12 Thread Richard Scobie
Brett Maton wrote: Hi, Question for you guys. A brief history: RHEL 4 AS I have a partition with way to many small files on (Usually around a couple of million) that needs to be backed up, standard methods mean that a restore is impossibly slow due to the sheer volume of files.

Re: mdadm break / restore soft mirror

2007-12-12 Thread Neil Brown
On Wednesday December 12, [EMAIL PROTECTED] wrote: Hi, Question for you guys. A brief history: RHEL 4 AS I have a partition with way to many small files on (Usually around a couple of million) that needs to be backed up, standard methods mean that a restore is

Re: mdadm break / restore soft mirror

2007-12-12 Thread Jeff Breidenbach
Proposed solution is to use software raid mirror. Before backup starts, break the soft mirror unmount and backup partition I use this method for backup once a week. One challenge is drives aren't great at steaming data quickly (for the resync) while also doing a lot of random access. Having a

RE: mdadm break / restore soft mirror

2007-12-12 Thread Brett Maton
Proposed solution is to use software raid mirror. Before backup starts, break the soft mirror unmount and backup partition I use this method for backup once a week. One challenge is drives aren't great at steaming data quickly (for the resync) while also doing a lot of random access.