Striping does give you more paths into storage, but I haven't seen any performance studies of striped vs. non-striped LVM disks. If you have fast hardware and FICON, the advantage might not be that great. With striping, you lose the benefit of adding or removing physical volumes dynamically in the volume group (well, you still have to umount the file system briefly), which means you have to plan your file system growth really well, or take a chunk of down time to dump, resize, and reload whenever you need more space. We use the non-striped variety.
Ray Mrohs Energy Information Administration U.S. Department of Energy -----Original Message----- From: David Andrews [mailto:[EMAIL PROTECTED] Sent: Monday, January 24, 2005 8:50 AM To: LINUX-390@VM.MARIST.EDU Subject: Re: Any caveats moving root filesystem to LVM? On Fri, 2005-01-21 at 16:02 -0500, Mrohs, Ray wrote: > My rule-of-thumb is to only use LVM when it's necessary, as in providing more > file system space than one minidisk can provide. There is also some striping value, no? (At least until Linux supports PAV.) -- David Andrews A. Duda and Sons, Inc. [EMAIL PROTECTED] ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
