2TB HGST s840 enterprise SAS SED SSD

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STIV.UA

New Member
May 20, 2020
1
0
1
hello,

good news coming - i have a working recipe howto repair drives and therefore fix the mentioned speed degradation.

1) you need to download some files from Index of /public/hgst_2tb/util

  • E4Z1.G4-SK04-72R35-YN-v4.0.4.RC11-b1975 - newest firmware
  • hdm-core_3.4.0-8.ga_amd64.deb - utility for loading firmware
  • sdmcmd64.2.0.0.124.tar.gz - utility for STEC drives
  • smartmontools-6.0-stec.tar.gz - modified smartmontools which can read extended STEC info
2) update drive firmware (maybe not necessary, but wise) - scan is needed, without scan hdm can't update firmware

Code:
hdm scan

[5000A72030097FE9]
  Device Type         = SCSI Device
  Device Path         = /dev/sdd
  UID                 = 5000A72030097FE9
  Alias               = @scsi0
  Vendor Name         = STEC
  Model Name          = Z16IZF2E-2TBUCZ

hdm manage-firmware --load --activate --file E4Z1.G4-SK04-72R35-YN-v4.0.4.RC11-b1975 --path /dev/sdd
Results for manage-firmware: Operation succeeded.
3) use sdmcdm64 utility and scan for available drives

Code:
./sdmcmd64 scanLocal
Results for ScanLocal
                       operationResult = Success
                         devices.count = 7
                            devices[0] = other:Drive0
                            devices[1] = gen4sas:Drive6
                            devices[2] = gen4sas:Drive5
                            devices[3] = gen4sas:Drive4
                            devices[4] = gen4sas:Drive3
                            devices[5] = other:Drive2
                            devices[6] = other:Drive1
4) use sdmcdm64 utilty to clear SMART error

Code:
./sdmcmd64 ClearSmartAlerts target=gen4sas:Drive3
Results for ClearSmartAlerts
                       operationResult = Success
                                target = gen4sas:Drive3
5) use sdmcdm64 utility to format the drive. it's needed to do format twice - after first format the drive reports zero size (0 sectors capacity),
but after second format everything will be ok and drive gets his 2TB capacity back.
you can see how long takes first format - 1 minute and 42 seconds and how long takes the second format - only 4 seconds..

Code:
time ./sdmcmd64 Format target=gen4sas:Drive3 sectorSize=512 difLevel=None
Results for Format
                       operationResult = Success
                                target = gen4sas:Drive3

real    1m42.699s
user    0m0.000s
sys     0m0.005s
time ./sdmcmd64 Format target=gen4sas:Drive3 sectorSize=512 difLevel=None
Results for Format
                       operationResult = Success
                                target = gen4sas:Drive3

real    0m4.739s
user    0m0.003s
sys     0m0.002s
6) check the formatted drive, it should look like following

Code:
./sdmcmd64 GetDriveSize target=gen4sas:Drive3
Results for GetDriveSize
                       operationResult = Success
                                target = gen4sas:Drive3
                            hostBlocks = 3907029168
                            userBlocks = 6821 0x1aa5
Now the drive is back in good state, no speed probles, no errors.

That's all. So easy it is :)
Even if it now looks easy and simple, the way to this recipe was relativeluy long and time consuming..

Jan
Hello! I encountered a problem with the HGST s840 (Model Number = Z16IZF2E-2TBUCZ-VZ) disks falling off on a Dell PERC H740P controller. Currently, the disks have non Dell Firmware Revision = C22F installed. Can anyone share the firmware files and utilities for this? I probably need the E4Z1.G4-SK04-72R35-YN-v4.0.4.RC11-b1975 described in this post. At the moment, all links are dead. Thank you in advance for your help.
 
Last edited:

jap

Member
Feb 13, 2016
30
38
18
53
Hello! I encountered a problem with the HGST s840 (Model Number = Z16IZF2E-2TBUCZ-VZ) disks falling off on a Dell PERC H740P controller. Currently, the disks have non Dell Firmware Revision = C22F installed. Can anyone share the firmware files and utilities for this? I probably need the E4Z1.G4-SK04-72R35-YN-v4.0.4.RC11-b1975 described in this post. At the moment, all links are dead. Thank you in advance for your help.
hello,

this still works link

Jan