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| Inaccurate Smart data on SSD http://forum.hddguru.com/viewtopic.php?f=10&t=41399 |
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| Author: | totalre [ June 13th, 2021, 18:55 ] |
| Post subject: | Inaccurate Smart data on SSD |
Hi, This is going to sound strange but i have an SSD which i've been using since 2012 and the power on hours in the smart data doesn't make any sense: Code: 9 Power_On_Hours 0x0032 100 100 001 Old_age Always - 34421 It's about 3 years but i've had it close to 10 now so i'm wondering what could cause this data to be erased or lost and how much can i trust the other values. Any other ideas how to check? or get more info? The only thing i can think of is i did update the FW version because of a bug they had with it, could that have erased the data? |
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| Author: | fzabkar [ June 13th, 2021, 19:36 ] |
| Post subject: | Re: Inaccurate Smart data on SSD |
Put the SSD to sleep for several hours and record the SMART data before and after. Maybe the firmware doesn't count the sleep time. |
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| Author: | totalre [ June 14th, 2021, 15:52 ] |
| Post subject: | Re: Inaccurate Smart data on SSD |
fzabkar wrote: Put the SSD to sleep for several hours and record the SMART data before and after. Maybe the firmware doesn't count the sleep time. Is it possible to do that without disconnecting the drive? |
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| Author: | fzabkar [ June 14th, 2021, 16:00 ] |
| Post subject: | Re: Inaccurate Smart data on SSD |
totalre wrote: fzabkar wrote: Put the SSD to sleep for several hours and record the SMART data before and after. Maybe the firmware doesn't count the sleep time. Is it possible to do that without disconnecting the drive? In Windows 10 ... Start -> Power -> Sleep |
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| Author: | totalre [ June 14th, 2021, 17:54 ] |
| Post subject: | Re: Inaccurate Smart data on SSD |
fzabkar wrote: totalre wrote: fzabkar wrote: Put the SSD to sleep for several hours and record the SMART data before and after. Maybe the firmware doesn't count the sleep time. Is it possible to do that without disconnecting the drive? In Windows 10 ... Start -> Power -> Sleep Thanks but i'm actually using linux most of the time and as far as i've seen the power hours keep raising up and the rest of the data stays the same. |
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| Author: | fzabkar [ June 14th, 2021, 18:19 ] |
| Post subject: | Re: Inaccurate Smart data on SSD |
Perhaps this utility (hd-idle) can work with SSDs? http://hd-idle.sourceforge.net/ Quote: Command line options
-a <name> Set (partial) device name of disks for subsequent idle-time parameters (-i). This parameter is optional in the sense that there's a default entry for all [SCSI] disks which are not named otherwise by using this parameter. -i <idle_time> Idle time in seconds for the currently named disk(s) (-a <name>) or for all disks. -l <logfile> Name of logfile (written only after a disk has spun up). Please note that this option might cause the disk which holds the logfile to spin up just because another disk had some activity. This option should not be used on systems with more than one disk except for tuning purposes. On single-disk systems, this option should not cause any additional spinups. -t <disk> Spin-down the specified disk immediately and exit. Use only the disk name (e.g. sda) without /dev/ prefix -d Debug mode. This will prevent hd-idle from becoming a daemon and print debugging info to stdout/stderr -h Print brief usage information |
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| Author: | totalre [ June 16th, 2021, 12:54 ] |
| Post subject: | Re: Inaccurate Smart data on SSD |
fzabkar wrote: Perhaps this utility (hd-idle) can work with SSDs? http://hd-idle.sourceforge.net/ Quote: Command line options -a <name> Set (partial) device name of disks for subsequent idle-time parameters (-i). This parameter is optional in the sense that there's a default entry for all [SCSI] disks which are not named otherwise by using this parameter. -i <idle_time> Idle time in seconds for the currently named disk(s) (-a <name>) or for all disks. -l <logfile> Name of logfile (written only after a disk has spun up). Please note that this option might cause the disk which holds the logfile to spin up just because another disk had some activity. This option should not be used on systems with more than one disk except for tuning purposes. On single-disk systems, this option should not cause any additional spinups. -t <disk> Spin-down the specified disk immediately and exit. Use only the disk name (e.g. sda) without /dev/ prefix -d Debug mode. This will prevent hd-idle from becoming a daemon and print debugging info to stdout/stderr -h Print brief usage information "hd-idle is a utility program for spinning-down external disks after a period of idle time. Since most external IDE disk enclosures don't support setting the IDE idle timer, a program like hd-idle is required to spin down idle disks automatically." I'm sorry i don't see the connection to the topic |
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