Messages in this thread | | | Date | Sun, 23 May 1999 21:34:04 +0200 | From | Pavel Machek <> | Subject | Re: Adding more than 8 swap partitions |
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Hi!
> > I just wanted to make sure that I can add more than 8 swap > > partitions under 2.2.8 by only changing the MAX_SWAPFILES #define > > in include/linux/swap.h. I have a configuration here that would > > benefit greatly from being able to use all 18 swap partitions it > > has available. Let's just say that I'm doing some high-end > > benchmarking before you say that I should just grow my swap > > partitions. What is the maximum limit? I only see this used for > > allocating an array, so I think it's doable, but I don't really > > want to find out the hard way and having to fsck 30 or so disks... > > Thanks! > > With sct's changed to allow >128MB of swap, why would you need this? > You could just put a single swap on an md device surely?
Carefull! Very, very carefull!
You don't want to swap over devices that are not ready for swapping. I do not think md is: it might want to malloc some memory when writting out buffer.
I'm not saying md does it. I ..just could well imagine raid5 doing it... So be carefull. Pavel
-- I'm really pavel@ucw.cz. Look at http://195.113.31.123/~pavel. Pavel Hi! I'm a .signature virus! Copy me into your ~/.signature to help me spread!
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