Hi all.
I have posted this before, but got no answer. So I'll try again. I have several servers with Proxmox (1.1) but one of them has problems with I/O. pveperf speaks for itself:
The buffered reads, in particular, are deadly low!!!
This is a new Dell R200, with SAS6/i RAID controller, setup as RAID0 spanning over 2 SATA disks. Anyone has ANY idea on where to look?
Don't know whether this is irrelevant, but look also at this output:
But all of those devices reside on the SAME logical RAID disk...
Any help appreciated.
Palantir
I have posted this before, but got no answer. So I'll try again. I have several servers with Proxmox (1.1) but one of them has problems with I/O. pveperf speaks for itself:
Code:
stormo:~# pveperf
CPU BOGOMIPS: 12005.20
REGEX/SECOND: 711591
HD SIZE: 94.49 GB (/dev/pve/root)
BUFFERED READS: 0.17 MB/sec
AVERAGE SEEK TIME: 8.97 ms
FSYNCS/SECOND: 131.31
DNS EXT: 87.20 ms
DNS INT: 0.82 ms (uff.netwise.it)The buffered reads, in particular, are deadly low!!!
This is a new Dell R200, with SAS6/i RAID controller, setup as RAID0 spanning over 2 SATA disks. Anyone has ANY idea on where to look?
Don't know whether this is irrelevant, but look also at this output:
Code:
stormo:~# hdparm -tT /dev/sda
/dev/sda:
Timing cached reads: 8970 MB in 2.00 seconds = 4489.36 MB/sec
Timing buffered disk reads: 652 MB in 3.00 seconds = 217.04 MB/sec
stormo:~# hdparm -tT /dev/mapper/pve-data
/dev/mapper/pve-data:
Timing cached reads: 9194 MB in 2.00 seconds = 4601.48 MB/sec
Timing buffered disk reads: 596 MB in 3.03 seconds = 196.91 MB/sec
stormo:~# hdparm -tT /dev/mapper/pve-root
/dev/mapper/pve-root:
read(2097152) returned 1863680 bytes
Timing buffered disk reads: read() failed: Input/output error
stormo:~#But all of those devices reside on the SAME logical RAID disk...
Any help appreciated.
Palantir
