Displaying 2 results from an estimated 2 matches for "chmi".
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2012 Mar 16
3
A difference between allocated and available memory in Xen virtual guest
Hello,
I have allocated 4 GB memory for a guest instance on the Xen hypervisor.
But within the instance there is only 2 GB memory available. See the details,
the guest is named pr-idm:
# Allocated memory on the hypervisor
[root@pr-hyp xen]# xm list
Name ID Mem(MiB) VCPUs State Time(s)
Domain-0 0 3846 8 r-----
2010 Dec 13
3
Slow I/O on ocfs2 file system
Hello,
I have found, that ocfs2 is very slow when doing I/O operation without
cache. See a simple test:
ng-vvv1:~# dd if=/data/verejna/dd-1G bs=1k | dd of=/dev/null
1048576+0 records in
1048576+0 records out
1073741824 bytes (1.1 GB) copied, 395.183 s, 2.7 MB/s
2097152+0 records in
2097152+0 records out
1073741824 bytes (1.1 GB) copied, 395.184 s, 2.7 MB/s
The underlying block device is quite