Also the funny part is that it takes the machine about a second to freeze
and I have to power cycle. I can't Stop-A, the machine becomes totally
unresponsive. Never seem that before on a Sun Server.
Edmundo
----- Original Message -----
From: "Juergen Keil" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Cc: <zfs-discuss@opensolaris.org>
Sent: Thursday, October 26, 2006 11:35 AM
Subject: Re: [zfs-discuss] Re: ZFS hangs systems during copy
Sounds familiar. Yes it is a small system a Sun blade 100 with 128MB of
memory.
Oh, 128MB...
ZFS' *minimum* ARC cache size is fixed at 64MB, so ZFS' ARC cache should
already grab slightly more than half of the memory installed in that
machine.
Leaving less than 64MB of free memory on your machine.
Substract from that the space used for all the kernel modules and other
kernel data structures, and there's not much free memory left, I guess.
I guess I need to install more memory in this baby.
Yep, and 256 MB might not be enough.
Btw, does anyone know if there are any minimum hardware (physical memory)
requirements for using ZFS?
It seems as if ZFS wan't tested that much on machines with 256MB (or less)
memory...
I just very
surprised that ZFS will required so much to accomplish just a simple task
as
a copy.
I guess UFS as a target filesystem doesn't have problems with your copy
test?
From your experience I can tell might be a memory related issue.
Yep, could be the same problem that I got, where ZFS keeps adding ARC
ghost list cache entries that noone cleans up, so kmem usage keeps growing
until the machine hangs.
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