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After a plug-pull during the create, reboot and here is the verify: root@Dbms2:/var/tmp # ./diskchecker.pl -s newfs verify /test/biteme verifying: 0.00% verifying: 3.81% verifying: 10.91% verifying: 18.71% verifying: 26.46% verifying: 33.95% verifying: 41.20% verifying: 49.48% verifying: 57.23% verifying: 64.89% verifying: 72.54% verifying: 80.04% verifying: 87.96% verifying: 95.15% verifying: 100.00% Total errors: 0 da6 at mps0 bus 0 scbus0 target 17 lun 0 da6: <ATA INTEL SSDSC2BP24 0420> Fixed Direct Access SPC-4 SCSI device da6: Serial Number BTJR446401KW240AGN da6: 600.000MB/s transfers da6: Command Queueing enabled da6: 228936MB (468862128 512 byte sectors: 255H 63S/T 29185C) # smartctl -a /dev/da6 === START OF INFORMATION SECTION === Model Family: Intel 730 and DC S3500/S3700 Series SSDs Device Model: INTEL SSDSC2BP240G4 Serial Number: BTJR446401KW240AGN LU WWN Device Id: 5 5cd2e4 04b71afc7 Firmware Version: L2010420 User Capacity: 240,057,409,536 bytes [240 GB] Sector Size: 512 bytes logical/physical Rotation Rate: Solid State Device Form Factor: 2.5 inches Device is: In smartctl database [for details use: -P show] ATA Version is: ATA8-ACS T13/1699-D revision 4 SATA Version is: SATA 2.6, 6.0 Gb/s (current: 6.0 Gb/s) Local Time is: Tue Jul 7 17:01:36 2015 CDT SMART support is: Available - device has SMART capability. SMART support is: Enabled Note -- same firmware between all three series of Intel devices...... :-) Yes, I like these SSDs -- they don't lie and they don't lose data on a power-pull. On 7/7/2015 08:08, Graeme B. Bell
wrote:
Thanks, this is very useful to know about the 730. When you say 'tested it with plug-pulls', you were using diskchecker.pl, right? Graeme. On 07 Jul 2015, at 14:39, Karl Denninger <karl@xxxxxxxxxxxxx> wrote:Incidentally while there are people who have questioned the 730 series power loss protection I've tested it with plug-pulls and in addition it watchdogs its internal power loss capacitors -- from the smartctl -a display of one of them on an in-service machine here: 175 Power_Loss_Cap_Test 0x0033 100 100 010 Pre-fail Always - 643 (4 6868) |
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