Changes between Version 32 and Version 33 of FAQ


Ignore:
Timestamp:
May 17, 2012, 1:26:27 PM (12 years ago)
Author:
Gabriele Pohl
Comment:

What details can be interpreted from Raw read error rate?

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  • FAQ

    v32 v33  
    2121----
    2222
    23 === Why is the attributes number and meaning different on the diks? ===
    24 
    25 Unlike other parts of SMART (logs, self-tests), the attributes are not
    26 (and never were) part of the ATA standards. Even the general attribute
    27 format (ID, VALUE, WORST, RAW) is removed from the standard since ATA-4 (1998).
    28 
    29 Attribute assignment and interpretation are vendor/device specific and
    30 undocumented in many cases.
    31 
    32 ----
    33 
    3423=== I see some strange output from {{{smartctl}}}.  What does it mean? ===
    3524
    … …  
    5241When you don't find an answer to your question there, please send an email to
    5342[https://lists.sourceforge.net/lists/listinfo/smartmontools-support smartmontools-support] and we'll help you try and figure it out.
     43
     44----
     45
     46=== Why is the attributes number and meaning different on the diks? ===
     47
     48Unlike other parts of SMART (logs, self-tests), the attributes are not
     49(and never were) part of the ATA standards. Even the general attribute
     50format (ID, VALUE, WORST, RAW) is removed from the standard since ATA-4 (1998).
     51
     52Attribute assignment and interpretation are vendor/device specific and
     53undocumented in many cases.
     54
     55----
     56
     57=== What details can be interpreted from {{{Raw read error rate}}}? ===
     58
     59If no documentation is available, the RAW value of attribute 1 is typically useless.
     60The 48-bit field might encode several values, try {{{-v 1,hex48}}} to check.
    5461
    5562----