2013/3/13 Gordon Messmer <yinyang at eburg.com>: > On 03/12/2013 01:30 AM, Arun Khan wrote: >> >> @ Gordon - thanks for sharing this piece of info! In case of RAID >> card failure, it is important to be able to recover the data (RAID >> device) with a compatible replacement. Are the LSI MegaRAID >> controller more reliable in this respect? > > I don't know. I would contact LSI support or sales and see what they > have to say about it. I haven't had the occasion to move a disk array > between one and another model of MegaRAID controller. > >> Software RAID is an option but I don't think hot swap is possible >> without some tinkering with the mdadm tool a priori. >> The systems will go to client site (remote), prefer to keep the >> support calls to remove/replace hardware activity :( > > You're correct that adding a new disk to an mdadm array will require > some CLI work. Probably most hardware RAID would do this automatically. > I frequently do the CLI work remotely over SSH so that a local tech > can swap the disk. areca also produces hardware raid controllers that works nicely on centos. -- Eero