Re: Hi reliability files, writing,reading and maintaining

2006-02-10 Thread Christos Georgiou
On Wed, 08 Feb 2006 00:29:16 +0100, rumours say that Xavier Morel <[EMAIL PROTECTED]> might have written: >You can also nest Raid arrays, the most common nesting are Raid 01 >(creating Raid1 arrays of Raid0 arrays), Raid 10 (creating Raid0 arrays >of Raid1 arrays), Raid 50 (Raid0 array of Raid5

Re: Hi reliability files, writing,reading and maintaining

2006-02-07 Thread Peter Hansen
John Pote wrote: > I would wish to secure this data gathering against crashes of the OS, > hardware failures and power outages. My first thought when reading this is "SQLite" (with the Python wrappers PySqlite or APSW). See http://www.sqlite.org where it claims "Transactions are atomic, consis

Re: Hi reliability files, writing,reading and maintaining

2006-02-07 Thread Larry Bates
John Pote wrote: > Hello, help/advice appreciated. > > Background: > I am writing some web scripts in python to receive small amounts of data > from remote sensors and store the data in a file. 50 to 100 bytes every 5 or > 10 minutes. A new file for each day is anticipated. Of considerable > i

Re: Hi reliability files, writing,reading and maintaining

2006-02-07 Thread Paul Rubin
"John Pote" <[EMAIL PROTECTED]> writes: > 1. Are there any python modules 'out there' that might help in securely > writing such files. > 2. Can anyone suggest a book or two on this kind of file management. (These > kind of problems must have been solved in the financial world many times). It's

Re: Hi reliability files, writing,reading and maintaining

2006-02-07 Thread Xavier Morel
Terry Reedy wrote: > "John Pote" <[EMAIL PROTECTED]> wrote in message > news:[EMAIL PROTECTED] >> I would wish to secure this data gathering against crashes of the OS, > > I have read about people running *nix servers a year or more without > stopping. > He'd probably want to check the various

Re: Hi reliability files, writing,reading and maintaining

2006-02-07 Thread Scott David Daniels
John Pote wrote: > Hello, help/advice appreciated. > I am writing some web scripts in python to receive small amounts of data > from remote sensors and store the data in a file. 50 to 100 bytes every 5 or > 10 minutes. A new file for each day is anticipated. Of considerable > importance is the

Re: Hi reliability files, writing,reading and maintaining

2006-02-07 Thread Terry Reedy
"John Pote" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > I would wish to secure this data gathering against crashes of the OS, I have read about people running *nix servers a year or more without stopping. > hardware failures To transparently write to duplicate disks, lookup