Does SQL Server 2017, including older versions, support 8K disk sector sizes?Use Older Versions Of SQL Server...
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Does SQL Server 2017, including older versions, support 8K disk sector sizes?
Use Older Versions Of SQL Server Databases With 2012?SQL Server 2012 Availability group disk configuration optionsSQL Server 2008R2 minimum RAID/Disk configsql server disk I/o questionReplicating to Older Versions of MS SQL ServerInstalling instances of older versions of SQL ServerAre older versions of MS SQL Server DEVELOPER edition now free?Does SQL Server support custom DOMAINs?Run SQL Server 2016 side-by-side with older versions?Disk Architecture on SQL Server
Disk (loosely worded to include not only rotational media but non-rotational media [SSD, NVMe, etc.]) drives are continuing to evolve in their underlying formats and hardware. Part of this was an "enhancement" from 512 byte physical sector sizes to 4k physical sector sizes, which changes the on disk layout (512n, 512e, 4kn).
This next evolution is in using 8k physical sector sizes, which some manufacturers are starting to produce and setup in production. Given this next step is the 8k sector size disk supported in Windows? Does SQL Server care about sector sizes?
sql-server hardware
asked 2 hours ago
Sean GallardySean Gallardy
16.4k22651
add a comment |
Disk (loosely worded to include not only rotational media but non-rotational media [SSD, NVMe, etc.]) drives are continuing to evolve in their underlying formats and hardware. Part of this was an "enhancement" from 512 byte physical sector sizes to 4k physical sector sizes, which changes the on disk layout (512n, 512e, 4kn).
This next evolution is in using 8k physical sector sizes, which some manufacturers are starting to produce and setup in production. Given this next step is the 8k sector size disk supported in Windows? Does SQL Server care about sector sizes?
sql-server hardware
asked 2 hours ago
Sean GallardySean Gallardy
16.4k22651
add a comment |
Disk (loosely worded to include not only rotational media but non-rotational media [SSD, NVMe, etc.]) drives are continuing to evolve in their underlying formats and hardware. Part of this was an "enhancement" from 512 byte physical sector sizes to 4k physical sector sizes, which changes the on disk layout (512n, 512e, 4kn).
This next evolution is in using 8k physical sector sizes, which some manufacturers are starting to produce and setup in production. Given this next step is the 8k sector size disk supported in Windows? Does SQL Server care about sector sizes?
sql-server hardware
asked 2 hours ago
Sean GallardySean Gallardy
16.4k22651
Disk (loosely worded to include not only rotational media but non-rotational media [SSD, NVMe, etc.]) drives are continuing to evolve in their underlying formats and hardware. Part of this was an "enhancement" from 512 byte physical sector sizes to 4k physical sector sizes, which changes the on disk layout (512n, 512e, 4kn).
This next evolution is in using 8k physical sector sizes, which some manufacturers are starting to produce and setup in production. Given this next step is the 8k sector size disk supported in Windows? Does SQL Server care about sector sizes?
sql-server hardware
sql-server hardware
asked 2 hours ago
Sean GallardySean Gallardy
16.4k22651
asked 2 hours ago
Sean GallardySean Gallardy
16.4k22651
asked 2 hours ago
Sean GallardySean Gallardy
16.4k22651
asked 2 hours ago
Sean GallardySean Gallardy
16.4k22651
asked 2 hours ago
Sean GallardySean Gallardy
16.4k22651
16.4k22651
add a comment |
add a comment |
1 Answer
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Is the 8k sector size disk supported in Windows?
Currently, no, it is not supported by Windows and has been documented.
Does SQL Server care about sector sizes?
Yes, SQL Server does care about sector sizes. In fact, SQL Server checks the underlying physical disk information as it has data structures and algorithms that work with current disk sector sizes for various reasons (data integrity, optimizations, etc.).
If you attempt to use a physical sector size above 4k (4096) you'll receive an error:
Msg 5179, Level 16, State 1, Line 1 Cannot use file 'S:FolderTestDB.mdf ', because it is on a volume with sector size
8192. SQL Server supports a maximum sector size of 4096 bytes. Move the file to a volume with a compatible sector size.
In this case, you can see that the error message is specifically telling you that the maximum sector size is 4096 (4k). This means that volume can't be used for SQL Server, and as noted above it wouldn't be supported in Windows either.
Solution
If you're receiving this error/issue, unfortunately you'll need to use a supported disk sector size such as 512 bytes or 4k. Other formats are unsupported and can't be used. You'll need to contact your hardware vendor for the Disk subsystem used and ask if there are any other options.
answered 2 hours ago
Sean GallardySean Gallardy
16.4k22651
add a comment |
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1 Answer
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1 Answer
1
active
oldest
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active
oldest
votes
active
oldest
votes
Is the 8k sector size disk supported in Windows?
Currently, no, it is not supported by Windows and has been documented.
Does SQL Server care about sector sizes?
Yes, SQL Server does care about sector sizes. In fact, SQL Server checks the underlying physical disk information as it has data structures and algorithms that work with current disk sector sizes for various reasons (data integrity, optimizations, etc.).
If you attempt to use a physical sector size above 4k (4096) you'll receive an error:
Msg 5179, Level 16, State 1, Line 1 Cannot use file 'S:FolderTestDB.mdf ', because it is on a volume with sector size
8192. SQL Server supports a maximum sector size of 4096 bytes. Move the file to a volume with a compatible sector size.
In this case, you can see that the error message is specifically telling you that the maximum sector size is 4096 (4k). This means that volume can't be used for SQL Server, and as noted above it wouldn't be supported in Windows either.
Solution
If you're receiving this error/issue, unfortunately you'll need to use a supported disk sector size such as 512 bytes or 4k. Other formats are unsupported and can't be used. You'll need to contact your hardware vendor for the Disk subsystem used and ask if there are any other options.
answered 2 hours ago
Sean GallardySean Gallardy
16.4k22651
add a comment |
Is the 8k sector size disk supported in Windows?
Currently, no, it is not supported by Windows and has been documented.
Does SQL Server care about sector sizes?
Yes, SQL Server does care about sector sizes. In fact, SQL Server checks the underlying physical disk information as it has data structures and algorithms that work with current disk sector sizes for various reasons (data integrity, optimizations, etc.).
If you attempt to use a physical sector size above 4k (4096) you'll receive an error:
Msg 5179, Level 16, State 1, Line 1 Cannot use file 'S:FolderTestDB.mdf ', because it is on a volume with sector size
8192. SQL Server supports a maximum sector size of 4096 bytes. Move the file to a volume with a compatible sector size.
In this case, you can see that the error message is specifically telling you that the maximum sector size is 4096 (4k). This means that volume can't be used for SQL Server, and as noted above it wouldn't be supported in Windows either.
Solution
If you're receiving this error/issue, unfortunately you'll need to use a supported disk sector size such as 512 bytes or 4k. Other formats are unsupported and can't be used. You'll need to contact your hardware vendor for the Disk subsystem used and ask if there are any other options.
answered 2 hours ago
Sean GallardySean Gallardy
16.4k22651
add a comment |
Is the 8k sector size disk supported in Windows?
Currently, no, it is not supported by Windows and has been documented.
Does SQL Server care about sector sizes?
Yes, SQL Server does care about sector sizes. In fact, SQL Server checks the underlying physical disk information as it has data structures and algorithms that work with current disk sector sizes for various reasons (data integrity, optimizations, etc.).
If you attempt to use a physical sector size above 4k (4096) you'll receive an error:
Msg 5179, Level 16, State 1, Line 1 Cannot use file 'S:FolderTestDB.mdf ', because it is on a volume with sector size
8192. SQL Server supports a maximum sector size of 4096 bytes. Move the file to a volume with a compatible sector size.
In this case, you can see that the error message is specifically telling you that the maximum sector size is 4096 (4k). This means that volume can't be used for SQL Server, and as noted above it wouldn't be supported in Windows either.
Solution
If you're receiving this error/issue, unfortunately you'll need to use a supported disk sector size such as 512 bytes or 4k. Other formats are unsupported and can't be used. You'll need to contact your hardware vendor for the Disk subsystem used and ask if there are any other options.
answered 2 hours ago
Sean GallardySean Gallardy
16.4k22651
Is the 8k sector size disk supported in Windows?
Currently, no, it is not supported by Windows and has been documented.
Does SQL Server care about sector sizes?
Yes, SQL Server does care about sector sizes. In fact, SQL Server checks the underlying physical disk information as it has data structures and algorithms that work with current disk sector sizes for various reasons (data integrity, optimizations, etc.).
If you attempt to use a physical sector size above 4k (4096) you'll receive an error:
Msg 5179, Level 16, State 1, Line 1 Cannot use file 'S:FolderTestDB.mdf ', because it is on a volume with sector size
8192. SQL Server supports a maximum sector size of 4096 bytes. Move the file to a volume with a compatible sector size.
In this case, you can see that the error message is specifically telling you that the maximum sector size is 4096 (4k). This means that volume can't be used for SQL Server, and as noted above it wouldn't be supported in Windows either.
Solution
If you're receiving this error/issue, unfortunately you'll need to use a supported disk sector size such as 512 bytes or 4k. Other formats are unsupported and can't be used. You'll need to contact your hardware vendor for the Disk subsystem used and ask if there are any other options.
answered 2 hours ago
Sean GallardySean Gallardy
16.4k22651
answered 2 hours ago
Sean GallardySean Gallardy
16.4k22651
answered 2 hours ago
Sean GallardySean Gallardy
16.4k22651
answered 2 hours ago
Sean GallardySean Gallardy
16.4k22651
16.4k22651
add a comment |
add a comment |
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