Re: Converting Ext3 to Ext3 under RAID 1

2006-08-03 Thread Michael Tokarev
Paul Clements wrote: >>Is 16 blocks a large enough area? > > Maybe. The superblock will be between 64KB and 128KB from the end of the > partition. This depends on the size of the partition: > > SB_LOC = PART_SIZE - 64K - (PART_SIZE & (64K-1)) > > So, by 16 blocks, I assume you mean 16 filesy

Re: Converting Ext3 to Ext3 under RAID 1

2006-08-02 Thread Robert Heinzmann
Hi Dan, see thread http://www.spinics.net/lists/raid/msg07742.html. Regards, Robert Dan Graham schrieb: Hello; I have an existing, active ext3 filesystem which I would like to convert to a RAID 1 ext3 filesystem with minimal down time. After casting about the web and experimenting some on

Re: Converting Ext3 to Ext3 under RAID 1

2006-08-02 Thread Paul Clements
Dan Graham wrote: Is this scheme even half-way sane? Yes. It sounds correct. Is 16 blocks a large enough area? Maybe. The superblock will be between 64KB and 128KB from the end of the partition. This depends on the size of the partition: SB_LOC = PART_SIZE - 64K - (PART_SIZE & (64

Re: Converting Ext3 to Ext3 under RAID 1

2006-08-02 Thread dean gaudet
On Wed, 2 Aug 2006, Dan Graham wrote: > Hello; > I have an existing, active ext3 filesystem which I would like to convert to > a RAID 1 ext3 filesystem with minimal down time. After casting about the web > and experimenting some on a test system, I believe that I can accomplish this > in the fo

Converting Ext3 to Ext3 under RAID 1

2006-08-02 Thread Dan Graham
Hello; I have an existing, active ext3 filesystem which I would like to convert to a RAID 1 ext3 filesystem with minimal down time. After casting about the web and experimenting some on a test system, I believe that I can accomplish this in the following manner. - Dismount the filesystem.