search for: ultratrak

Displaying 2 results from an estimated 2 matches for "ultratrak".

2002 Oct 30
1
External Journal scenario - good idea?
...We are running a file server, which currently has as its "hard drive" an ATA-to-SCSI external RAID subsystem. The file server is a dual Pentium-III Tualatin 1.4GHz (512K cache) server, built on a Serverworks HESL-T chipset, with 2GB ECC Registered SDRAM. The RAID unit is a Promise UltraTrak100-TX8, with 8 Western Digital WD1200JB 120GB ATA100 7200rpm hard drives installed. 7 of the 8 drives are joined to a RAID5 array, the 8th is an unassigned hot spare. The UltraTrak's SCSI interface is an Ultra2-LVD (80MB/sec) interface, connected via its external 68-pin MicroD cable, to a...
2006 Oct 21
0
CentOS 3 - I/O performance with Promise HW RAID
(Suggestions for other forums in which to post this question are welcome.) We have CentOS 3.6 x86_64 running on a server with dual 2.2GHz Opterons and a Promise UltraTrak RM8000 connected via an Adaptec SCSI card. We are seeing what seems to be gradual I/O performance degradation over time; it seems to be OK for up to about 90 days, but not long after that both CPUs end up continuously spending 50-99% of their time in "iowait" state when reading/writing t...