Search found 3 matches

by romanshein
Fri Dec 14, 2018 4:19 am
Forum: Latest News
Topic: [2017-12-21] PrimoCache 3.0.2 released!
Replies: 55
Views: 77604

Re: [2017-12-21] PrimoCache 3.0.2 released!

Write-back cache is potentially a killer feature, yet in my experience it can cause data loss, especially in dual-boot environment. Imaging the situation: your system crashes without flushing the WBC properly for data volume and becomes non-bootable. You restore backup or dual-boot to fix the main O...
by romanshein
Mon Dec 08, 2014 2:44 am
Forum: Technical Support
Topic: Primocache stops writing to L2 after a while
Replies: 25
Views: 16986

Re: Primocache stops writing to L2 after a while

I also had the problem due to disabled DiskPerf counters. Romex shall consider adding a feature to force enable DiskPerf. Primocache is useless, if DiskPerf is inactive.
by romanshein
Thu Nov 28, 2013 10:47 am
Forum: Report Bugs
Topic: L2arc write amplification
Replies: 1
Views: 2849

L2arc write amplification

I've setup a basic read-only cache and noticed a puzzling fenomena:
Total writes: 185.9 Mb
Total reads: 1.5 Gb
L2Storage writes: 2.5 Gb
2.5-1.5-0.19=0.8 Gb of amplified writes.Why?
Both block and sector size are 64kb on ntfs volume on Win7x64sp1