Very nice figures there, interesting to see the initial 54 hours usage On Thu, Nov 27, 2008 at 9:54 PM, Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx> wrote: > Ordered the SSD from newegg. > http://www.newegg.com/Product/Product.aspx?Item=N82E16820167013 > > It comes in a small box with the SSD and a single page about how to install > the SSD. Attached it to a 2.5-3.5" converter so it would fit in a standard > case. > > ==== > > When I got the SSD, it showed 54 hours of usage and 66 power cycles, I > assume this is testing at the factory, in any case, this is what the smart > stats look like and some basic dd speed tests, as shown in the techreport > review, write speed is quite fast, 227MiB/s. > > The machine used to take about 60-70 seconds to boot, it now takes about 5-6 > seconds. > > When opening browsers etc, I no longer hear my (previously) 750 gig disk > grinding away loading all the libraries, everything is instantaneous. > > ==== > > Btw, no temp sensor. > > # hddtemp /dev/sda > WARNING: Drive /dev/sda doesn't seem to have a temperature sensor. > WARNING: This doesn't mean it hasn't got one. > WARNING: If you are sure it has one, please contact me (hddtemp@xxxxxxxx). > WARNING: See --help, --debug and --drivebase options. > /dev/sda: SSDSA2SH032G1GN INTEL: no sensor > > ==== > > # fdisk -l > > Disk /dev/sda: 32.0 GB, 32000000000 bytes > 255 heads, 63 sectors/track, 3890 cylinders > Units = cylinders of 16065 * 512 = 8225280 bytes > Disk identifier: 0x00000000 > > Disk /dev/sda doesn't contain a valid partition table > > ======================================================== > > # smartctl -a /dev/sda > smartctl version 5.38 [i686-pc-linux-gnu] Copyright (C) 2002-8 Bruce Allen > Home page is http://smartmontools.sourceforge.net/ > > === START OF INFORMATION SECTION === > Device Model: SSDSA2SH032G1GN INTEL > Serial Number: [snip] > Firmware Version: 045C8621 > User Capacity: 32,000,000,000 bytes > Device is: Not in smartctl database [for details use: -P showall] > ATA Version is: 7 > ATA Standard is: ATA/ATAPI-7 T13 1532D revision 1 > Local Time is: Thu Nov 27 16:32:46 2008 EST > SMART support is: Available - device has SMART capability. > SMART support is: Enabled > > === START OF READ SMART DATA SECTION === > SMART overall-health self-assessment test result: PASSED > See vendor-specific Attribute list for marginal Attributes. > > General SMART Values: > Offline data collection status: (0x00) Offline data collection activity > was never started. > Auto Offline Data Collection: > Disabled. > 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: ( 1) > seconds. > Offline data collection > capabilities: (0x75) SMART execute Offline immediate. > No Auto Offline data collection > support. > Abort Offline collection upon new > command. > No 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: ( 5) minutes. > Conveyance self-test routine > recommended polling time: ( 1) minutes. > > SMART Attributes Data Structure revision number: 5 > Vendor Specific SMART Attributes with Thresholds: > ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED > WHEN_ > FAILED RAW_VALUE > 3 Spin_Up_Time 0x0000 100 000 000 Old_age Offline > In_th > e_past 0 > 4 Start_Stop_Count 0x0000 100 000 000 Old_age Offline > In_th > e_past 0 > 5 Reallocated_Sector_Ct 0x0002 100 100 000 Old_age Always > - > 0 > 9 Power_On_Hours 0x0002 100 100 000 Old_age Always > - > 58 > 12 Power_Cycle_Count 0x0002 100 100 000 Old_age Always > - > 66 > 192 Power-Off_Retract_Count 0x0002 100 100 000 Old_age Always > - > 58 > 232 Unknown_Attribute 0x0003 100 100 010 Pre-fail Always > - > 0 > 233 Unknown_Attribute 0x0002 099 099 000 Old_age Always > - > 0 > 225 Load_Cycle_Count 0x0000 200 200 000 Old_age Offline > - > 116201 > > SMART Error Log Version: 1 > No Errors Logged > > SMART Self-test log structure revision number 1 > Num Test_Description Status Remaining LifeTime(hours) > LBA > _of_first_error > # 1 Short offline Completed without error 00% 58 > - > > SMART Selective Self-Test Log Data Structure Revision Number (0) should be 1 > SMART Selective self-test log data structure revision number 0 > Warning: ATA Specification requires selective self-test log data structure > revis > ion 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. > > ======================================================== > > # hdparm -i /dev/sda > > /dev/sda: > > Model=SSDSA2SH032G1GN INTEL , FwRev=045C8621, > SerialNo=[snip] > Config={ Fixed } > RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=0 > BuffType=unknown, BuffSize=0kB, MaxMultSect=16, MultSect=?16? > CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=62500000 > IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120} > PIO modes: pio0 pio3 pio4 > DMA modes: mdma0 mdma1 mdma2 > UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5 *udma6 > AdvancedPM=no WriteCache=enabled > Drive conforms to: ATA/ATAPI-7 T13 1532D revision 1: ATA/ATAPI-2,3,4,5,6,7 > > * signifies the current active mode > > ======================================================== > > # hdparm -vI /dev/sda > > /dev/sda: > IO_support = 0 (default) > readonly = 0 (off) > readahead = 256 (on) > geometry = 3890/255/63, sectors = 62500000, start = 0 > > ATA device, with non-removable media > Model Number: SSDSA2SH032G1GN INTEL > Serial Number: [snip] > Firmware Revision: 045C8621 > Transport: Serial, ATA8-AST, SATA 1.0a, SATA II Extensions, > SATA Rev 2.5 > Standards: > Used: ATA/ATAPI-7 T13 1532D revision 1 > Supported: 7 6 5 4 Configuration: > Logical max current > cylinders 16383 16383 > heads 16 16 > sectors/track 63 63 > -- > CHS current addressable sectors: 16514064 > LBA user addressable sectors: 62500000 > LBA48 user addressable sectors: 62500000 > device size with M = 1024*1024: 30517 MBytes > device size with M = 1000*1000: 32000 MBytes (32 GB) > Capabilities: > LBA, IORDY(can be disabled) > Queue depth: 31 > Standby timer values: spec'd by Standard, no device specific minimum > R/W multiple sector transfer: Max = 16 Current = 16 > DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 udma5 *udma6 > Cycle time: min=120ns recommended=120ns > PIO: pio0 pio1 pio2 pio3 pio4 > Cycle time: no flow control=120ns IORDY flow control=120ns > Commands/features: > Enabled Supported: > * SMART feature set > Security Mode feature set > * Power Management feature set > * Write cache > * Look-ahead > * Host Protected Area feature set > * WRITE_BUFFER command > * READ_BUFFER command > * NOP cmd > * DOWNLOAD_MICROCODE > * 48-bit Address feature set > * Device Configuration Overlay feature set > * Mandatory FLUSH_CACHE > * FLUSH_CACHE_EXT > * SMART error logging > * SMART self-test > * General Purpose Logging feature set > * WRITE_{DMA|MULTIPLE}_FUA_EXT > * 64-bit World wide name > * IDLE_IMMEDIATE with UNLOAD > * WRITE_UNCORRECTABLE_EXT command > * {READ,WRITE}_DMA_EXT_GPL commands > * Segmented DOWNLOAD_MICROCODE > * SATA-I signaling speed (1.5Gb/s) > * SATA-II signaling speed (3.0Gb/s) > * Native Command Queueing (NCQ) > Device-initiated interface power management > * Software settings preservation > Security: > Master password revision code = 65534 > supported > not enabled > not locked > not frozen > not expired: security count > supported: enhanced erase > 2min for SECURITY ERASE UNIT. 2min for ENHANCED SECURITY ERASE UNIT. > Logical Unit WWN Device Identifier: 500151795870198c > NAA : 5 > IEEE OUI : 1517 > Unique ID : 95870198c > Checksum: correct > > ======================================================== > > # mkfs.xfs /dev/sda > meta-data=/dev/sda isize=256 agcount=4, agsize=1953125 blks > = sectsz=512 attr=2 > data = bsize=4096 blocks=7812500, imaxpct=25 > = sunit=0 swidth=0 blks > naming =version 2 bsize=4096 > log =internal log bsize=4096 blocks=3814, version=2 > = sectsz=512 sunit=0 blks, lazy-count=0 > realtime =none extsz=4096 blocks=0, rtextents=0 > > # mkdir /disk > # mount /dev/sda /disk > > ======================================================== > > Incase you are wondering, both disks are using no barriers. > > time to decompress kernel tree (linux, xfs): > > $ /usr/bin/time tar xf linux-2.6.27.7.tar Total bytes read: 293857280 > (281MiB, 75MiB/s) > 0.15user 1.12system 0:03.74elapsed 34%CPU (0avgtext+0avgdata 0maxresident)k > 0inputs+0outputs (0major+645minor)pagefaults 0swaps > > The same thing on a 750 gigabyte hdd: > > $ /usr/bin/time tar xf linux-2.6.27.7.tar Total bytes read: 293857280 > (281MiB, 6.5MiB/s) > 0.15user 1.22system 0:43.29elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k > 0inputs+0outputs (0major+643minor)pagefaults 0swaps > > ======================================================== > > # dd if=/dev/zero of=1gigabyte bs=1M count=1024 > 1024+0 records in > 1024+0 records out > 1073741824 bytes (1.1 GB) copied, 4.71984 s, 227 MB/s > > (yeah probably should of run echo 1 > to drop_caches here) but never the > less its fast > > # dd if=1gigabyte of=/dev/null bs=1M count=1024 > 1024+0 records in > 1024+0 records out > 1073741824 bytes (1.1 GB) copied, 0.302331 s, 3.6 GB/s > > (bunzip2'd the kernel and:) > $ /usr/bin/time dd if=linux-2.6.27.7.tar of=/dev/null bs=1M > 280+1 records in > 280+1 records out > 293857280 bytes (294 MB) copied, 0.0760212 s, 3.9 GB/s > 0.00user 0.06system 0:00.07elapsed 90%CPU (0avgtext+0avgdata 0maxresident)k > 0inputs+0outputs (0major+485minor)pagefaults 0swaps > > ======================================================== > > Due to the 100k write cycle lifetime, I will not be performing any more > benchmarks on the SSD itself, such benchmarks are available on > techreport.com but just wanted to send out the smart data for the > smartmontools list and point out it is working with linux+ich7+xfs. > > Overall, whenever I do anything now its just like the entire machine is > sitting in a ramdisk (similar when you boot knoppix and load to ramdisk). > > The techreport benchmarks are here: > http://techreport.com/articles.x/15931 > > Justin. > > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- Regards, Russell Smith UKD1 Limited -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
