[ceph-users] НА: XFS and nobarriers on Intel SSD

2015-09-07 Thread Межов Игорь Александрович
Hi! Oh! My shame! I forgot about С60X. We have some Intel S2600 platforms and use only onboard sata3 for ssd or RMS25CB080 as a fully functional RAD module. With C60х SAS we have bad results with Debian 3.16 kernels: 'isci' driver works with sata devices and refuse to work with sas on the same p

[ceph-users] НА: XFS and nobarriers on Intel SSD

2015-09-07 Thread Межов Игорь Александрович
Hi! >And for the record, _ALL_ the drives I tested are faster on Intel SAS than on >LSI (2308) and >often faster on a regular SATA AHCI then on their "high throughput" HBAs. But most of Intel HBAs are LSI based. It is the same chips with slightly different firmware, i think. We use RS2MB044, RS