Connection to Redis failed after 2 failures.Last Error : (2) No such file or directory

#0 /storage/magento/lib/Credis/Client.php(450): Credis_Client->connect()
#1 /storage/magento/lib/Credis/Client.php(783): Credis_Client->connect()
#2 /storage/magento/lib/Credis/Client.php(610): Credis_Client->__call('select', Array)
#3 /storage/magento/app/code/community/Cm/Cache/Backend/Redis.php(153): Credis_Client->select(0)
#4 /storage/magento/lib/Zend/Cache.php(153): Cm_Cache_Backend_Redis->__construct(Array)
#5 /storage/magento/lib/Zend/Cache.php(94): Zend_Cache::_makeBackend('Cm_Cache_Backen...', Array, true, true)
#6 /storage/magento/app/code/core/Mage/Core/Model/Cache.php(137): Zend_Cache::factory('Varien_Cache_Co...', 'Cm_Cache_Backen...', Array, Array, true, true, true)
#7 /storage/magento/app/code/core/Mage/Core/Model/Config.php(1354): Mage_Core_Model_Cache->__construct(Array)
#8 /storage/magento/app/Mage.php(463): Mage_Core_Model_Config->getModelInstance('core/cache', Array)
#9 /storage/magento/app/code/core/Mage/Core/Model/App.php(412): Mage::getModel('core/cache', Array)
#10 /storage/magento/app/code/core/Mage/Core/Model/App.php(306): Mage_Core_Model_App->_initCache(Array)
#11 /storage/magento/app/code/core/Mage/Core/Model/App.php(348): Mage_Core_Model_App->baseInit(Array)
#12 /storage/magento/app/Mage.php(684): Mage_Core_Model_App->run(Array)
#13 /storage/magento/index.php(88): Mage::run('', 'store')
#14 {main}