RAID 1 (Mirroring and Duplexing) Comparing mirroring and duplexing Mirroring is the simplest method of avoiding data loss when a single disk fails. During writes, data is sent to both disks. During reads, different data can be read from both disks, which provides good read Performance. Duplexing is another form of keeping a copy of data. Where mirroring uses a single controller, duplexing can also handle a controller failure. Duplexing requires an operating system that supports RAID 1.
This site says cost of tiling per square metre is between $95 and $170 psm for floor tiles and $90 and $160 for wall tiles. Those prices include tiles so take $30 psm off those.
Price. The price charged for the panels is 1000 rupees per square metre. A 12Ã 3 metre sized panel costs 36000 rupees. 10 such panels would be more than enough for the roof and walls of a house with a plinth area of 1000 square feet.You can imagine how much it would cost to build a similar house in the normal manner. Using panels would minimize your expense to mere 4 Lakhs.rice. The price charged for the panels is 1000 rupees per square metre. A 12Ã 3 metre sized panel costs 36000 rupees. 10 such panels would be more than enough for the roof and walls of a house with a plinth area of 1000 square feet.