Que Ball

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  1. The encrypting drives should basically be the same as a standard drive until you issue the command to enable encryption of the drive on your bios/controller/etc. What happens is the drive will still be encrypting things with a key stored in the nvram on the drive controller but it will operate in unlocked mode where no password or key is needed to start the drive. Essentially it looks and feels like a normal drive. The advantage to you is that if you use a utility to send the command to self erase the drive it only has to delete the built in random encryption key so the data on the drive can no longer be read. A brand new encryption key is created and the drive appears to contain complete garbage random data as the old key is now gone. This takes only a second to complete vs doing multiple overwrite passes the old fashioned way of erasing your data from a drive you want to dispose of. Another advantage is that if the drive has a head crash you can still erase the key from nvram and even if someone does a head swap they cannot get your data back which is a problem you have probably faced when disks crash that you cannot secure erase before sending for an RMA. If you don't care about the encryption, just grab whatever is in stock. I believe with all the new Seagate enterprise drives even the non-encryption model is actually doing the encryption internally it simply doesn't expose the SED feature to the bios so you can still issue the command to self erase it just will not prompt your controller to enable the SED features. They call it ISE (Instant Self Erase). If that's the case your drive is still encrypting internally, just hiding it from you.
  2. Exablox OneBlox Appliance Review Discussion

    <150 IOPS. That is just terrible performance for something that expensive and recent. We have an old Drobo b800i which was slow when it was new and this unit barely outperforms it with a design that is 6 years newer and 5 times the price. I was briefly considering these Exablox units but sales guy deflected questions on performance by going on about how it doesn't loose performance when you add more capacity like expanding competitor units would. But who cares when it starts so slow to begin with. Junk.
  3. I have a sick SSD. Telling me it's going to die any day now. Says I have 9% life remaining. 147921186606 Logical Sectors Written Sector Size: 512 bytes logical/physical So 70,534GB or 68TB No idea why it is so high. I do plenty of moving data around. Lots of work with virtual machines etc. Not using any defrag utilities, the built in windows defrag scheduler shows "never run" on the C: drive, only on the secondary drive which is a standard 2TB platter. RMA time. Going to pick up a new drive on the weekend and rebuild the OS. Probably time for that anyhow. smartctl -x sda smartctl 6.2 2013-07-26 r3841 [x86_64-w64-mingw32-win7-sp1] (sf-6.2-1) Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org === START OF INFORMATION SECTION === Model Family: Crucial/Micron RealSSD m4/C400/P400 Device Model: M4-CT512M4SSD2 Serial Number: LU WWN Device Id: Firmware Version: 070H User Capacity: 512,110,190,592 bytes [512 GB] Sector Size: 512 bytes logical/physical Rotation Rate: Solid State Device Device is: In smartctl database [for details use: -P show] ATA Version is: ACS-2, ATA8-ACS T13/1699-D revision 6 SATA Version is: SATA 3.0, 6.0 Gb/s (current: 3.0 Gb/s) Local Time is: Sat Apr 12 01:44:43 2014 MDT SMART support is: Available - device has SMART capability. SMART support is: Enabled AAM feature is: Unavailable APM level is: 254 (maximum performance) Rd look-ahead is: Enabled Write cache is: Enabled ATA Security is: Disabled, frozen [SEC2] Wt Cache Reorder: Enabled === START OF READ SMART DATA SECTION === SMART overall-health self-assessment test result: FAILED! Drive failure expected in less than 24 hours. SAVE ALL DATA. See vendor-specific Attribute list for failed Attributes. General SMART Values: Offline data collection status: (0x86) Offline data collection activity was aborted by the device with a fatal error. Auto Offline Data Collection: Enabled. Self-test execution status: ( 0) The previous self-test routine completed without error or no self-test has ever been run. Total time to complete Offline data collection: ( 305) seconds. Offline data collection capabilities: (0x7b) SMART execute Offline immediate. Auto Offline data collection on/off support. Suspend Offline collection upon new command. Offline surface scan supported. Self-test supported. Conveyance Self-test supported. Selective Self-test supported. SMART capabilities: (0x0003) Saves SMART data before entering power-saving mode. Supports SMART auto save timer. Error logging capability: (0x01) Error logging supported. General Purpose Logging supported. Short self-test routine recommended polling time: ( 2) minutes. Extended self-test routine recommended polling time: ( 39) minutes. Conveyance self-test routine recommended polling time: ( 3) minutes. SCT capabilities: (0x003d) SCT Status supported. SCT Error Recovery Control supported. SCT Feature Control supported. SCT Data Table supported. SMART Attributes Data Structure revision number: 16 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAGS VALUE WORST THRESH FAIL RAW_VALUE 1 Raw_Read_Error_Rate POSR-K 100 100 050 - 0 5 Reallocated_Sector_Ct PO--CK 100 100 010 - 0 9 Power_On_Hours -O--CK 100 100 001 - 11242 12 Power_Cycle_Count -O--CK 100 100 001 - 282 170 Grown_Failing_Block_Ct PO--CK 100 100 010 - 0 171 Program_Fail_Count -O--CK 100 100 001 - 0 172 Erase_Fail_Count -O--CK 100 100 001 - 0 173 Wear_Leveling_Count PO--CK 009 009 010 NOW 2752 174 Unexpect_Power_Loss_Ct -O--CK 100 100 001 - 258 181 Non4k_Aligned_Access -O---K 100 100 001 - 1662 1064 598 183 SATA_Iface_Downshift -O--CK 100 100 001 - 0 184 End-to-End_Error PO--CK 100 100 050 - 0 187 Reported_Uncorrect -O--CK 100 100 001 - 0 188 Command_Timeout -O--CK 100 100 001 - 0 189 Factory_Bad_Block_Ct -OSR-- 100 100 001 - 150 194 Temperature_Celsius -O---K 100 100 000 - 0 195 Hardware_ECC_Recovered -O-RCK 100 100 001 - 0 196 Reallocated_Event_Count -O--CK 100 100 001 - 0 197 Current_Pending_Sector -O--CK 100 100 001 - 0 198 Offline_Uncorrectable ----CK 100 100 001 - 0 199 UDMA_CRC_Error_Count -O--CK 100 100 001 - 0 202 Perc_Rated_Life_Used ---RC- 009 009 001 - 91 206 Write_Error_Rate -OSR-- 100 100 001 - 0 ||||||_ K auto-keep |||||__ C event count ||||___ R error rate |||____ S speed/performance ||_____ O updated online |______ P prefailure warning General Purpose Log Directory Version 1 SMART Log Directory Version 1 [multi-sector log support] Address Access R/W Size Description 0x00 GPL,SL R/O 1 Log Directory 0x01 SL R/O 1 Summary SMART error log 0x02 SL R/O 51 Comprehensive SMART error log 0x03 GPL R/O 16383 Ext. Comprehensive SMART error log 0x04 GPL,SL R/O 255 Device Statistics log 0x06 SL R/O 1 SMART self-test log 0x07 GPL R/O 3449 Extended self-test log 0x09 SL R/W 1 Selective self-test log 0x10 GPL R/O 1 NCQ Command Error log 0x11 GPL R/O 1 SATA Phy Event Counters 0x80-0x9f GPL,SL R/W 16 Host vendor specific log 0xa0 GPL VS 2000 Device vendor specific log 0xa0 SL VS 208 Device vendor specific log 0xa1-0xbf GPL,SL VS 1 Device vendor specific log 0xc0 GPL VS 80 Device vendor specific log 0xc1-0xdf GPL,SL VS 1 Device vendor specific log 0xe0 GPL,SL R/W 1 SCT Command/Status 0xe1 GPL,SL R/W 1 SCT Data Transfer SMART Extended Comprehensive Error Log size 16383 not supported SMART Error Log Version: 1 No Errors Logged SMART Extended Self-test Log size 3449 not supported SMART Self-test log structure revision number 1 Num Test_Description Status Remaining LifeTime(hours) LBA _of_first_error # 1 Vendor (0xff) Completed without error 00% 11167 - SMART Selective self-test log data structure revision number 1 SPAN MIN_LBA MAX_LBA CURRENT_TEST_STATUS 1 0 0 Not_testing 2 0 0 Not_testing 3 0 0 Not_testing 4 0 0 Not_testing 5 0 0 Not_testing Selective self-test flags (0x0): After scanning selected spans, do NOT read-scan remainder of disk. If Selective self-test is pending on power-up, resume after 0 minute delay. SCT Status Version: 3 SCT Version (vendor specific): 1 (0x0001) SCT Support Level: 0 Device State: SMART Off-line Data Collection executing in background (4) Current Temperature: 0 Celsius Power Cycle Max Temperature: 0 Celsius Lifetime Max Temperature: 0 Celsius SCT Temperature History Version: 2 Temperature Sampling Period: 10 minutes Temperature Logging Interval: 10 minutes Min/Max recommended Temperature: 0/70 Celsius Min/Max Temperature Limit: -5/75 Celsius Temperature History Size (Index): 478 (51) Index Estimated Time Temperature Celsius 52 2014-04-08 18:10 0 - ... ..(476 skipped). .. - 51 2014-04-12 01:40 0 - SCT Error Recovery Control: Read: 40 (4.0 seconds) Write: 40 (4.0 seconds) Device Statistics (GP Log 0x04) Page Offset Size Value Description 1 ===== = = == General Statistics (rev 2) == 1 0x008 4 282 Lifetime Power-On Resets 1 0x010 4 11242 Power-on Hours 1 0x018 6 147921186606 Logical Sectors Written 1 0x020 6 2173539177 Number of Write Commands 1 0x028 6 185067230625 Logical Sectors Read 1 0x030 6 2013925648 Number of Read Commands 4 ===== = = == General Errors Statistics (rev 1) == 4 0x008 4 0 Number of Reported Uncorrectable Errors 4 0x010 4 0 Resets Between Cmd Acceptance and Completion 5 ===== = = == Temperature Statistics (rev 1) == 5 0x008 1 0 Current Temperature 5 0x010 1 0 Average Short Term Temperature 5 0x018 1 0 Average Long Term Temperature 5 0x020 1 0 Highest Temperature 5 0x028 1 0 Lowest Temperature 5 0x030 1 0 Highest Average Short Term Temperature 5 0x038 1 0 Lowest Average Short Term Temperature 5 0x040 1 0 Highest Average Long Term Temperature 5 0x048 1 0 Lowest Average Long Term Temperature 5 0x050 4 - Time in Over-Temperature 5 0x058 1 70 Specified Maximum Operating Temperature 5 0x060 4 - Time in Under-Temperature 5 0x068 1 0 Specified Minimum Operating Temperature 6 ===== = = == Transport Statistics (rev 1) == 6 0x008 4 0 Number of Hardware Resets 6 0x010 4 0 Number of ASR Events 6 0x018 4 0 Number of Interface CRC Errors 7 ===== = = == Solid State Device Statistics (rev 1) == 7 0x008 1 1~ Percentage Used Endurance Indicator |_ ~ normalized value SATA Phy Event Counters (GP Log 0x11) ID Size Value Description 0x0001 4 0 Command failed due to ICRC error 0x000a 4 14 Device-to-host register FISes sent due to a COMRESET