After numerous problems encountered with the P20 firmware on this card model, here are the steps I followed to flash in P19 Version.
Since, no more problems :)
The model of the card is a LSI 9207-8i (SAS2308 controler) with IT FW:
lspci | grep LSI
01:00.0 Serial Attached SCSI …List the total size of all keys for each object on a pool.
object size_keys(kB) size_values(kB) total(kB) nr_keys nr_values
meta.log.44 0 1 1 0 10
data_log.78 0 56419 56419 0 406841
meta.log.36 0 1 1 0 10
data_log.71 0 56758 56758 …This kernel version support all features for Hammer, in particular straw v2.
https://www.kernel.org/
The main changes in this version:
rbd: rbd_wq comment is obsolete
libceph: announce support for straw2 buckets
crush: straw2 bucket type with an efficient 64-bit crush_ln()
crush: ensuring at most num-rep osds …WARNING: libcurl doesn't support curl_multi_wait()
WARNING: cross zone / region transfer performance may be affected
If you have already been confronted to this error at startup of RadosGW, the problem is the version of libcurl used. To enable support of curl_multi_wait, you will need to compile radosgw with libcurl >= 7 …
A quick check of my Intel 520 SSD that running since 2 years on a small cluster.
smartctl -a /dev/sda
=== START OF INFORMATION SECTION ===
Model Family: Intel 520 Series SSDs
Device Model: INTEL SSDSC2CW060A3
Serial Number: CVCV305200NB060AGN
LU WWN Device Id: 5 001517 8f36af9db
Firmware Version: 400i …