Re: [zfs-discuss] about variable block size

2008-10-13 Thread Roch Bourbonnais
Files are stored as either a single record (ajusted to the size of the file) multiple number of fixed size records. -r Le 25 août 08 à 09:21, Robert a écrit : Thanks for your response, from which I have known more details. However, there is one thing I am still not clear--maybe at first

Re: [zfs-discuss] about variable block size

2008-08-25 Thread Mario Goebbels
For files smaller than the default (128K) or the user-defined value, the recordsize will be the smallest power of two between 512 bytes and the appropriate upper limit. For anything above the value, it's the defined recordsize for every block in the file. Variable recordsize is only for single

Re: [zfs-discuss] about variable block size

2008-08-25 Thread Robert
Thanks for your response, from which I have known more details. However, there is one thing I am still not clear--maybe at first the size of a file is smaller than 128KB(or user-defined value), zfs can adopt some block size as you described, but when the size becomes more than 128KB by reason

[zfs-discuss] about variable block size

2008-08-24 Thread Robert
Hello list, I have known that zfs has an excellent feature--adjusting its block size according to the size of files automatically. Some materials say that this is implemented by a function of the size of the file. However, I can not find any further description of this key function. Do I have